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 #define DRM_MODE_FLAG_SUPPORTS_RGB (1<<23) 103 #define DRM_MODE_FLAG_SUPPORTS_YUV (1<<24) 104 #define DRM_MODE_FLAG_VID_MODE_PANEL (1<<29) 105 #define DRM_MODE_FLAG_CMD_MODE_PANEL (1<<30) 106 #define DRM_MODE_FLAG_SEAMLESS (1<<31) 107 108 /* DPMS flags */ 109 /* bit compatible with the xorg definitions. */ 110 #define DRM_MODE_DPMS_ON 0 111 #define DRM_MODE_DPMS_STANDBY 1 112 #define DRM_MODE_DPMS_SUSPEND 2 113 #define DRM_MODE_DPMS_OFF 3 114 115 /* Scaling mode options */ 116 #define DRM_MODE_SCALE_NONE 0 /* Unmodified timing (display or 117 software can still scale) */ 118 #define DRM_MODE_SCALE_FULLSCREEN 1 /* Full screen, ignore aspect */ 119 #define DRM_MODE_SCALE_CENTER 2 /* Centered, no scaling */ 120 #define DRM_MODE_SCALE_ASPECT 3 /* Full screen, preserve aspect */ 121 122 /* Dithering mode options */ 123 #define DRM_MODE_DITHERING_OFF 0 124 #define DRM_MODE_DITHERING_ON 1 125 #define DRM_MODE_DITHERING_AUTO 2 126 127 /* Dirty info options */ 128 #define DRM_MODE_DIRTY_OFF 0 129 #define DRM_MODE_DIRTY_ON 1 130 #define DRM_MODE_DIRTY_ANNOTATE 2 131 132 /* Link Status options */ 133 #define DRM_MODE_LINK_STATUS_GOOD 0 134 #define DRM_MODE_LINK_STATUS_BAD 1 135 136 /* 137 * DRM_MODE_ROTATE_<degrees> 138 * 139 * Signals that a drm plane is been rotated <degrees> degrees in counter 140 * clockwise direction. 141 * 142 * This define is provided as a convenience, looking up the property id 143 * using the name->prop id lookup is the preferred method. 144 */ 145 #define DRM_MODE_ROTATE_0 (1<<0) 146 #define DRM_MODE_ROTATE_90 (1<<1) 147 #define DRM_MODE_ROTATE_180 (1<<2) 148 #define DRM_MODE_ROTATE_270 (1<<3) 149 150 /* 151 * DRM_MODE_ROTATE_MASK 152 * 153 * Bitmask used to look for drm plane rotations. 154 */ 155 #define DRM_MODE_ROTATE_MASK (\ 156 DRM_MODE_ROTATE_0 | \ 157 DRM_MODE_ROTATE_90 | \ 158 DRM_MODE_ROTATE_180 | \ 159 DRM_MODE_ROTATE_270) 160 161 /* 162 * DRM_MODE_REFLECT_<axis> 163 * 164 * Signals that the contents of a drm plane is reflected in the <axis> axis, 165 * in the same way as mirroring. 166 * 167 * This define is provided as a convenience, looking up the property id 168 * using the name->prop id lookup is the preferred method. 169 */ 170 #define DRM_MODE_REFLECT_X (1<<4) 171 #define DRM_MODE_REFLECT_Y (1<<5) 172 173 /* 174 * DRM_MODE_REFLECT_MASK 175 * 176 * Bitmask used to look for drm plane reflections. 177 */ 178 #define DRM_MODE_REFLECT_MASK (\ 179 DRM_MODE_REFLECT_X | \ 180 DRM_MODE_REFLECT_Y) 181 182 183 struct drm_mode_modeinfo { 184 __u32 clock; 185 __u16 hdisplay; 186 __u16 hsync_start; 187 __u16 hsync_end; 188 __u16 htotal; 189 __u16 hskew; 190 __u16 vdisplay; 191 __u16 vsync_start; 192 __u16 vsync_end; 193 __u16 vtotal; 194 __u16 vscan; 195 196 __u32 vrefresh; 197 198 __u32 flags; 199 __u32 type; 200 char name[DRM_DISPLAY_MODE_LEN]; 201 }; 202 203 struct drm_mode_card_res { 204 __u64 fb_id_ptr; 205 __u64 crtc_id_ptr; 206 __u64 connector_id_ptr; 207 __u64 encoder_id_ptr; 208 __u32 count_fbs; 209 __u32 count_crtcs; 210 __u32 count_connectors; 211 __u32 count_encoders; 212 __u32 min_width; 213 __u32 max_width; 214 __u32 min_height; 215 __u32 max_height; 216 }; 217 218 struct drm_mode_crtc { 219 __u64 set_connectors_ptr; 220 __u32 count_connectors; 221 222 __u32 crtc_id; /**< Id */ 223 __u32 fb_id; /**< Id of framebuffer */ 224 225 __u32 x; /**< x Position on the framebuffer */ 226 __u32 y; /**< y Position on the framebuffer */ 227 228 __u32 gamma_size; 229 __u32 mode_valid; 230 struct drm_mode_modeinfo mode; 231 }; 232 233 #define DRM_MODE_PRESENT_TOP_FIELD (1<<0) 234 #define DRM_MODE_PRESENT_BOTTOM_FIELD (1<<1) 235 236 /* Planes blend with or override other bits on the CRTC */ 237 struct drm_mode_set_plane { 238 __u32 plane_id; 239 __u32 crtc_id; 240 __u32 fb_id; /* fb object contains surface format type */ 241 __u32 flags; /* see above flags */ 242 243 /* Signed dest location allows it to be partially off screen */ 244 __s32 crtc_x; 245 __s32 crtc_y; 246 __u32 crtc_w; 247 __u32 crtc_h; 248 249 /* Source values are 16.16 fixed point */ 250 __u32 src_x; 251 __u32 src_y; 252 __u32 src_h; 253 __u32 src_w; 254 }; 255 256 struct drm_mode_get_plane { 257 __u32 plane_id; 258 259 __u32 crtc_id; 260 __u32 fb_id; 261 262 __u32 possible_crtcs; 263 __u32 gamma_size; 264 265 __u32 count_format_types; 266 __u64 format_type_ptr; 267 }; 268 269 struct drm_mode_get_plane_res { 270 __u64 plane_id_ptr; 271 __u32 count_planes; 272 }; 273 274 #define DRM_MODE_ENCODER_NONE 0 275 #define DRM_MODE_ENCODER_DAC 1 276 #define DRM_MODE_ENCODER_TMDS 2 277 #define DRM_MODE_ENCODER_LVDS 3 278 #define DRM_MODE_ENCODER_TVDAC 4 279 #define DRM_MODE_ENCODER_VIRTUAL 5 280 #define DRM_MODE_ENCODER_DSI 6 281 #define DRM_MODE_ENCODER_DPMST 7 282 #define DRM_MODE_ENCODER_DPI 8 283 284 struct drm_mode_get_encoder { 285 __u32 encoder_id; 286 __u32 encoder_type; 287 288 __u32 crtc_id; /**< Id of crtc */ 289 290 __u32 possible_crtcs; 291 __u32 possible_clones; 292 }; 293 294 /* This is for connectors with multiple signal types. */ 295 /* Try to match DRM_MODE_CONNECTOR_X as closely as possible. */ 296 enum drm_mode_subconnector { 297 DRM_MODE_SUBCONNECTOR_Automatic = 0, 298 DRM_MODE_SUBCONNECTOR_Unknown = 0, 299 DRM_MODE_SUBCONNECTOR_DVID = 3, 300 DRM_MODE_SUBCONNECTOR_DVIA = 4, 301 DRM_MODE_SUBCONNECTOR_Composite = 5, 302 DRM_MODE_SUBCONNECTOR_SVIDEO = 6, 303 DRM_MODE_SUBCONNECTOR_Component = 8, 304 DRM_MODE_SUBCONNECTOR_SCART = 9, 305 }; 306 307 #define DRM_MODE_CONNECTOR_Unknown 0 308 #define DRM_MODE_CONNECTOR_VGA 1 309 #define DRM_MODE_CONNECTOR_DVII 2 310 #define DRM_MODE_CONNECTOR_DVID 3 311 #define DRM_MODE_CONNECTOR_DVIA 4 312 #define DRM_MODE_CONNECTOR_Composite 5 313 #define DRM_MODE_CONNECTOR_SVIDEO 6 314 #define DRM_MODE_CONNECTOR_LVDS 7 315 #define DRM_MODE_CONNECTOR_Component 8 316 #define DRM_MODE_CONNECTOR_9PinDIN 9 317 #define DRM_MODE_CONNECTOR_DisplayPort 10 318 #define DRM_MODE_CONNECTOR_HDMIA 11 319 #define DRM_MODE_CONNECTOR_HDMIB 12 320 #define DRM_MODE_CONNECTOR_TV 13 321 #define DRM_MODE_CONNECTOR_eDP 14 322 #define DRM_MODE_CONNECTOR_VIRTUAL 15 323 #define DRM_MODE_CONNECTOR_DSI 16 324 #define DRM_MODE_CONNECTOR_DPI 17 325 326 struct drm_mode_get_connector { 327 328 __u64 encoders_ptr; 329 __u64 modes_ptr; 330 __u64 props_ptr; 331 __u64 prop_values_ptr; 332 333 __u32 count_modes; 334 __u32 count_props; 335 __u32 count_encoders; 336 337 __u32 encoder_id; /**< Current Encoder */ 338 __u32 connector_id; /**< Id */ 339 __u32 connector_type; 340 __u32 connector_type_id; 341 342 __u32 connection; 343 __u32 mm_width; /**< width in millimeters */ 344 __u32 mm_height; /**< height in millimeters */ 345 __u32 subpixel; 346 347 __u32 pad; 348 }; 349 350 #define DRM_MODE_PROP_PENDING (1<<0) 351 #define DRM_MODE_PROP_RANGE (1<<1) 352 #define DRM_MODE_PROP_IMMUTABLE (1<<2) 353 #define DRM_MODE_PROP_ENUM (1<<3) /* enumerated type with text strings */ 354 #define DRM_MODE_PROP_BLOB (1<<4) 355 #define DRM_MODE_PROP_BITMASK (1<<5) /* bitmask of enumerated types */ 356 357 /* non-extended types: legacy bitmask, one bit per type: */ 358 #define DRM_MODE_PROP_LEGACY_TYPE ( \ 359 DRM_MODE_PROP_RANGE | \ 360 DRM_MODE_PROP_ENUM | \ 361 DRM_MODE_PROP_BLOB | \ 362 DRM_MODE_PROP_BITMASK) 363 364 /* extended-types: rather than continue to consume a bit per type, 365 * grab a chunk of the bits to use as integer type id. 366 */ 367 #define DRM_MODE_PROP_EXTENDED_TYPE 0x0000ffc0 368 #define DRM_MODE_PROP_TYPE(n) ((n) << 6) 369 #define DRM_MODE_PROP_OBJECT DRM_MODE_PROP_TYPE(1) 370 #define DRM_MODE_PROP_SIGNED_RANGE DRM_MODE_PROP_TYPE(2) 371 372 /* the PROP_ATOMIC flag is used to hide properties from userspace that 373 * is not aware of atomic properties. This is mostly to work around 374 * older userspace (DDX drivers) that read/write each prop they find, 375 * witout being aware that this could be triggering a lengthy modeset. 376 */ 377 #define DRM_MODE_PROP_ATOMIC 0x80000000 378 379 struct drm_mode_property_enum { 380 __u64 value; 381 char name[DRM_PROP_NAME_LEN]; 382 }; 383 384 struct drm_mode_get_property { 385 __u64 values_ptr; /* values and blob lengths */ 386 __u64 enum_blob_ptr; /* enum and blob id ptrs */ 387 388 __u32 prop_id; 389 __u32 flags; 390 char name[DRM_PROP_NAME_LEN]; 391 392 __u32 count_values; 393 /* This is only used to count enum values, not blobs. The _blobs is 394 * simply because of a historical reason, i.e. backwards compat. */ 395 __u32 count_enum_blobs; 396 }; 397 398 struct drm_mode_connector_set_property { 399 __u64 value; 400 __u32 prop_id; 401 __u32 connector_id; 402 }; 403 404 #define DRM_MODE_OBJECT_CRTC 0xcccccccc 405 #define DRM_MODE_OBJECT_CONNECTOR 0xc0c0c0c0 406 #define DRM_MODE_OBJECT_ENCODER 0xe0e0e0e0 407 #define DRM_MODE_OBJECT_MODE 0xdededede 408 #define DRM_MODE_OBJECT_PROPERTY 0xb0b0b0b0 409 #define DRM_MODE_OBJECT_FB 0xfbfbfbfb 410 #define DRM_MODE_OBJECT_BLOB 0xbbbbbbbb 411 #define DRM_MODE_OBJECT_PLANE 0xeeeeeeee 412 #define DRM_MODE_OBJECT_ANY 0 413 414 struct drm_mode_obj_get_properties { 415 __u64 props_ptr; 416 __u64 prop_values_ptr; 417 __u32 count_props; 418 __u32 obj_id; 419 __u32 obj_type; 420 }; 421 422 struct drm_mode_obj_set_property { 423 __u64 value; 424 __u32 prop_id; 425 __u32 obj_id; 426 __u32 obj_type; 427 }; 428 429 struct drm_mode_get_blob { 430 __u32 blob_id; 431 __u32 length; 432 __u64 data; 433 }; 434 435 struct drm_mode_fb_cmd { 436 __u32 fb_id; 437 __u32 width; 438 __u32 height; 439 __u32 pitch; 440 __u32 bpp; 441 __u32 depth; 442 /* driver specific handle */ 443 __u32 handle; 444 }; 445 446 #define DRM_MODE_FB_INTERLACED (1<<0) /* for interlaced framebuffers */ 447 #define DRM_MODE_FB_MODIFIERS (1<<1) /* enables ->modifer[] */ 448 #define DRM_MODE_FB_SECURE (1<<2) /* for secure framebuffers */ 449 450 struct drm_mode_fb_cmd2 { 451 __u32 fb_id; 452 __u32 width; 453 __u32 height; 454 __u32 pixel_format; /* fourcc code from drm_fourcc.h */ 455 __u32 flags; /* see above flags */ 456 457 /* 458 * In case of planar formats, this ioctl allows up to 4 459 * buffer objects with offsets and pitches per plane. 460 * The pitch and offset order is dictated by the fourcc, 461 * e.g. NV12 (http://fourcc.org/yuv.php#NV12) is described as: 462 * 463 * YUV 4:2:0 image with a plane of 8 bit Y samples 464 * followed by an interleaved U/V plane containing 465 * 8 bit 2x2 subsampled colour difference samples. 466 * 467 * So it would consist of Y as offsets[0] and UV as 468 * offsets[1]. Note that offsets[0] will generally 469 * be 0 (but this is not required). 470 * 471 * To accommodate tiled, compressed, etc formats, a 472 * modifier can be specified. The default value of zero 473 * indicates "native" format as specified by the fourcc. 474 * Vendor specific modifier token. Note that even though 475 * it looks like we have a modifier per-plane, we in fact 476 * do not. The modifier for each plane must be identical. 477 * Thus all combinations of different data layouts for 478 * multi plane formats must be enumerated as separate 479 * modifiers. 480 */ 481 __u32 handles[4]; 482 __u32 pitches[4]; /* pitch for each plane */ 483 __u32 offsets[4]; /* offset of each plane */ 484 __u64 modifier[4]; /* ie, tiling, compress */ 485 }; 486 487 #define DRM_MODE_FB_DIRTY_ANNOTATE_COPY 0x01 488 #define DRM_MODE_FB_DIRTY_ANNOTATE_FILL 0x02 489 #define DRM_MODE_FB_DIRTY_FLAGS 0x03 490 491 #define DRM_MODE_FB_DIRTY_MAX_CLIPS 256 492 493 /* 494 * Mark a region of a framebuffer as dirty. 495 * 496 * Some hardware does not automatically update display contents 497 * as a hardware or software draw to a framebuffer. This ioctl 498 * allows userspace to tell the kernel and the hardware what 499 * regions of the framebuffer have changed. 500 * 501 * The kernel or hardware is free to update more then just the 502 * region specified by the clip rects. The kernel or hardware 503 * may also delay and/or coalesce several calls to dirty into a 504 * single update. 505 * 506 * Userspace may annotate the updates, the annotates are a 507 * promise made by the caller that the change is either a copy 508 * of pixels or a fill of a single color in the region specified. 509 * 510 * If the DRM_MODE_FB_DIRTY_ANNOTATE_COPY flag is given then 511 * the number of updated regions are half of num_clips given, 512 * where the clip rects are paired in src and dst. The width and 513 * height of each one of the pairs must match. 514 * 515 * If the DRM_MODE_FB_DIRTY_ANNOTATE_FILL flag is given the caller 516 * promises that the region specified of the clip rects is filled 517 * completely with a single color as given in the color argument. 518 */ 519 520 struct drm_mode_fb_dirty_cmd { 521 __u32 fb_id; 522 __u32 flags; 523 __u32 color; 524 __u32 num_clips; 525 __u64 clips_ptr; 526 }; 527 528 struct drm_mode_mode_cmd { 529 __u32 connector_id; 530 struct drm_mode_modeinfo mode; 531 }; 532 533 #define DRM_MODE_CURSOR_BO 0x01 534 #define DRM_MODE_CURSOR_MOVE 0x02 535 #define DRM_MODE_CURSOR_FLAGS 0x03 536 537 /* 538 * depending on the value in flags different members are used. 539 * 540 * CURSOR_BO uses 541 * crtc_id 542 * width 543 * height 544 * handle - if 0 turns the cursor off 545 * 546 * CURSOR_MOVE uses 547 * crtc_id 548 * x 549 * y 550 */ 551 struct drm_mode_cursor { 552 __u32 flags; 553 __u32 crtc_id; 554 __s32 x; 555 __s32 y; 556 __u32 width; 557 __u32 height; 558 /* driver specific handle */ 559 __u32 handle; 560 }; 561 562 struct drm_mode_cursor2 { 563 __u32 flags; 564 __u32 crtc_id; 565 __s32 x; 566 __s32 y; 567 __u32 width; 568 __u32 height; 569 /* driver specific handle */ 570 __u32 handle; 571 __s32 hot_x; 572 __s32 hot_y; 573 }; 574 575 struct drm_mode_crtc_lut { 576 __u32 crtc_id; 577 __u32 gamma_size; 578 579 /* pointers to arrays */ 580 __u64 red; 581 __u64 green; 582 __u64 blue; 583 }; 584 585 struct drm_color_ctm { 586 /* Conversion matrix in S31.32 format. */ 587 __s64 matrix[9]; 588 }; 589 590 struct drm_color_lut { 591 /* 592 * Data is U0.16 fixed point format. 593 */ 594 __u16 red; 595 __u16 green; 596 __u16 blue; 597 __u16 reserved; 598 }; 599 600 #define DRM_MODE_PAGE_FLIP_EVENT 0x01 601 #define DRM_MODE_PAGE_FLIP_ASYNC 0x02 602 #define DRM_MODE_PAGE_FLIP_TARGET_ABSOLUTE 0x4 603 #define DRM_MODE_PAGE_FLIP_TARGET_RELATIVE 0x8 604 #define DRM_MODE_PAGE_FLIP_TARGET (DRM_MODE_PAGE_FLIP_TARGET_ABSOLUTE | \ 605 DRM_MODE_PAGE_FLIP_TARGET_RELATIVE) 606 #define DRM_MODE_PAGE_FLIP_FLAGS (DRM_MODE_PAGE_FLIP_EVENT | \ 607 DRM_MODE_PAGE_FLIP_ASYNC | \ 608 DRM_MODE_PAGE_FLIP_TARGET) 609 610 /* 611 * Request a page flip on the specified crtc. 612 * 613 * This ioctl will ask KMS to schedule a page flip for the specified 614 * crtc. Once any pending rendering targeting the specified fb (as of 615 * ioctl time) has completed, the crtc will be reprogrammed to display 616 * that fb after the next vertical refresh. The ioctl returns 617 * immediately, but subsequent rendering to the current fb will block 618 * in the execbuffer ioctl until the page flip happens. If a page 619 * flip is already pending as the ioctl is called, EBUSY will be 620 * returned. 621 * 622 * Flag DRM_MODE_PAGE_FLIP_EVENT requests that drm sends back a vblank 623 * event (see drm.h: struct drm_event_vblank) when the page flip is 624 * done. The user_data field passed in with this ioctl will be 625 * returned as the user_data field in the vblank event struct. 626 * 627 * Flag DRM_MODE_PAGE_FLIP_ASYNC requests that the flip happen 628 * 'as soon as possible', meaning that it not delay waiting for vblank. 629 * This may cause tearing on the screen. 630 * 631 * The reserved field must be zero. 632 */ 633 634 struct drm_mode_crtc_page_flip { 635 __u32 crtc_id; 636 __u32 fb_id; 637 __u32 flags; 638 __u32 reserved; 639 __u64 user_data; 640 }; 641 642 /* 643 * Request a page flip on the specified crtc. 644 * 645 * Same as struct drm_mode_crtc_page_flip, but supports new flags and 646 * re-purposes the reserved field: 647 * 648 * The sequence field must be zero unless either of the 649 * DRM_MODE_PAGE_FLIP_TARGET_ABSOLUTE/RELATIVE flags is specified. When 650 * the ABSOLUTE flag is specified, the sequence field denotes the absolute 651 * vblank sequence when the flip should take effect. When the RELATIVE 652 * flag is specified, the sequence field denotes the relative (to the 653 * current one when the ioctl is called) vblank sequence when the flip 654 * should take effect. NOTE: DRM_IOCTL_WAIT_VBLANK must still be used to 655 * make sure the vblank sequence before the target one has passed before 656 * calling this ioctl. The purpose of the 657 * DRM_MODE_PAGE_FLIP_TARGET_ABSOLUTE/RELATIVE flags is merely to clarify 658 * the target for when code dealing with a page flip runs during a 659 * vertical blank period. 660 */ 661 662 struct drm_mode_crtc_page_flip_target { 663 __u32 crtc_id; 664 __u32 fb_id; 665 __u32 flags; 666 __u32 sequence; 667 __u64 user_data; 668 }; 669 670 /* create a dumb scanout buffer */ 671 struct drm_mode_create_dumb { 672 __u32 height; 673 __u32 width; 674 __u32 bpp; 675 __u32 flags; 676 /* handle, pitch, size will be returned */ 677 __u32 handle; 678 __u32 pitch; 679 __u64 size; 680 }; 681 682 /* set up for mmap of a dumb scanout buffer */ 683 struct drm_mode_map_dumb { 684 /** Handle for the object being mapped. */ 685 __u32 handle; 686 __u32 pad; 687 /** 688 * Fake offset to use for subsequent mmap call 689 * 690 * This is a fixed-size type for 32/64 compatibility. 691 */ 692 __u64 offset; 693 }; 694 695 struct drm_mode_destroy_dumb { 696 __u32 handle; 697 }; 698 699 /* page-flip flags are valid, plus: */ 700 #define DRM_MODE_ATOMIC_TEST_ONLY 0x0100 701 #define DRM_MODE_ATOMIC_NONBLOCK 0x0200 702 #define DRM_MODE_ATOMIC_ALLOW_MODESET 0x0400 703 704 #define DRM_MODE_ATOMIC_FLAGS (\ 705 DRM_MODE_PAGE_FLIP_EVENT |\ 706 DRM_MODE_PAGE_FLIP_ASYNC |\ 707 DRM_MODE_ATOMIC_TEST_ONLY |\ 708 DRM_MODE_ATOMIC_NONBLOCK |\ 709 DRM_MODE_ATOMIC_ALLOW_MODESET) 710 711 struct drm_mode_atomic { 712 __u32 flags; 713 __u32 count_objs; 714 __u64 objs_ptr; 715 __u64 count_props_ptr; 716 __u64 props_ptr; 717 __u64 prop_values_ptr; 718 __u64 reserved; 719 __u64 user_data; 720 }; 721 722 struct drm_format_modifier_blob { 723 #define FORMAT_BLOB_CURRENT 1 724 /* Version of this blob format */ 725 __u32 version; 726 727 /* Flags */ 728 __u32 flags; 729 730 /* Number of fourcc formats supported */ 731 __u32 count_formats; 732 733 /* Where in this blob the formats exist (in bytes) */ 734 __u32 formats_offset; 735 736 /* Number of drm_format_modifiers */ 737 __u32 count_modifiers; 738 739 /* Where in this blob the modifiers exist (in bytes) */ 740 __u32 modifiers_offset; 741 742 /* __u32 formats[] */ 743 /* struct drm_format_modifier modifiers[] */ 744 }; 745 746 struct drm_format_modifier { 747 /* Bitmask of formats in get_plane format list this info applies to. The 748 * offset allows a sliding window of which 64 formats (bits). 749 * 750 * Some examples: 751 * In today's world with < 65 formats, and formats 0, and 2 are 752 * supported 753 * 0x0000000000000005 754 * ^-offset = 0, formats = 5 755 * 756 * If the number formats grew to 128, and formats 98-102 are 757 * supported with the modifier: 758 * 759 * 0x0000003c00000000 0000000000000000 760 * ^ 761 * |__offset = 64, formats = 0x3c00000000 762 * 763 */ 764 __u64 formats; 765 __u32 offset; 766 __u32 pad; 767 768 /* The modifier that applies to the >get_plane format list bitmask. */ 769 __u64 modifier; 770 }; 771 772 /** 773 * Create a new 'blob' data property, copying length bytes from data pointer, 774 * and returning new blob ID. 775 */ 776 struct drm_mode_create_blob { 777 /** Pointer to data to copy. */ 778 __u64 data; 779 /** Length of data to copy. */ 780 __u32 length; 781 /** Return: new property ID. */ 782 __u32 blob_id; 783 }; 784 785 /** 786 * Destroy a user-created blob property. 787 */ 788 struct drm_mode_destroy_blob { 789 __u32 blob_id; 790 }; 791 792 /** 793 * Lease mode resources, creating another drm_master. 794 */ 795 struct drm_mode_create_lease { 796 /** Pointer to array of object ids (__u32) */ 797 __u64 object_ids; 798 /** Number of object ids */ 799 __u32 object_count; 800 /** flags for new FD (O_CLOEXEC, etc) */ 801 __u32 flags; 802 803 /** Return: unique identifier for lessee. */ 804 __u32 lessee_id; 805 /** Return: file descriptor to new drm_master file */ 806 __u32 fd; 807 }; 808 809 /** 810 * List lesses from a drm_master 811 */ 812 struct drm_mode_list_lessees { 813 /** Number of lessees. 814 * On input, provides length of the array. 815 * On output, provides total number. No 816 * more than the input number will be written 817 * back, so two calls can be used to get 818 * the size and then the data. 819 */ 820 __u32 count_lessees; 821 __u32 pad; 822 823 /** Pointer to lessees. 824 * pointer to __u64 array of lessee ids 825 */ 826 __u64 lessees_ptr; 827 }; 828 829 /** 830 * Get leased objects 831 */ 832 struct drm_mode_get_lease { 833 /** Number of leased objects. 834 * On input, provides length of the array. 835 * On output, provides total number. No 836 * more than the input number will be written 837 * back, so two calls can be used to get 838 * the size and then the data. 839 */ 840 __u32 count_objects; 841 __u32 pad; 842 843 /** Pointer to objects. 844 * pointer to __u32 array of object ids 845 */ 846 __u64 objects_ptr; 847 }; 848 849 /** 850 * Revoke lease 851 */ 852 struct drm_mode_revoke_lease { 853 /** Unique ID of lessee 854 */ 855 __u32 lessee_id; 856 }; 857 858 #if defined(__cplusplus) 859 } 860 #endif 861 862 #endif 863