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 /** 37 * DOC: overview 38 * 39 * DRM exposes many UAPI and structure definition to have a consistent 40 * and standardized interface with user. 41 * Userspace can refer to these structure definitions and UAPI formats 42 * to communicate to driver 43 */ 44 45 #define DRM_CONNECTOR_NAME_LEN 32 46 #define DRM_DISPLAY_MODE_LEN 32 47 #define DRM_PROP_NAME_LEN 32 48 49 #define DRM_MODE_TYPE_BUILTIN (1<<0) /* deprecated */ 50 #define DRM_MODE_TYPE_CLOCK_C ((1<<1) | DRM_MODE_TYPE_BUILTIN) /* deprecated */ 51 #define DRM_MODE_TYPE_CRTC_C ((1<<2) | DRM_MODE_TYPE_BUILTIN) /* deprecated */ 52 #define DRM_MODE_TYPE_PREFERRED (1<<3) 53 #define DRM_MODE_TYPE_DEFAULT (1<<4) /* deprecated */ 54 #define DRM_MODE_TYPE_USERDEF (1<<5) 55 #define DRM_MODE_TYPE_DRIVER (1<<6) 56 57 #define DRM_MODE_TYPE_ALL (DRM_MODE_TYPE_PREFERRED | \ 58 DRM_MODE_TYPE_USERDEF | \ 59 DRM_MODE_TYPE_DRIVER) 60 61 /* Video mode flags */ 62 /* bit compatible with the xrandr RR_ definitions (bits 0-13) 63 * 64 * ABI warning: Existing userspace really expects 65 * the mode flags to match the xrandr definitions. Any 66 * changes that don't match the xrandr definitions will 67 * likely need a new client cap or some other mechanism 68 * to avoid breaking existing userspace. This includes 69 * allocating new flags in the previously unused bits! 70 */ 71 #define DRM_MODE_FLAG_PHSYNC (1<<0) 72 #define DRM_MODE_FLAG_NHSYNC (1<<1) 73 #define DRM_MODE_FLAG_PVSYNC (1<<2) 74 #define DRM_MODE_FLAG_NVSYNC (1<<3) 75 #define DRM_MODE_FLAG_INTERLACE (1<<4) 76 #define DRM_MODE_FLAG_DBLSCAN (1<<5) 77 #define DRM_MODE_FLAG_CSYNC (1<<6) 78 #define DRM_MODE_FLAG_PCSYNC (1<<7) 79 #define DRM_MODE_FLAG_NCSYNC (1<<8) 80 #define DRM_MODE_FLAG_HSKEW (1<<9) /* hskew provided */ 81 #define DRM_MODE_FLAG_BCAST (1<<10) /* deprecated */ 82 #define DRM_MODE_FLAG_PIXMUX (1<<11) /* deprecated */ 83 #define DRM_MODE_FLAG_DBLCLK (1<<12) 84 #define DRM_MODE_FLAG_CLKDIV2 (1<<13) 85 /* 86 * When adding a new stereo mode don't forget to adjust DRM_MODE_FLAGS_3D_MAX 87 * (define not exposed to user space). 88 */ 89 #define DRM_MODE_FLAG_3D_MASK (0x1f<<14) 90 #define DRM_MODE_FLAG_3D_NONE (0<<14) 91 #define DRM_MODE_FLAG_3D_FRAME_PACKING (1<<14) 92 #define DRM_MODE_FLAG_3D_FIELD_ALTERNATIVE (2<<14) 93 #define DRM_MODE_FLAG_3D_LINE_ALTERNATIVE (3<<14) 94 #define DRM_MODE_FLAG_3D_SIDE_BY_SIDE_FULL (4<<14) 95 #define DRM_MODE_FLAG_3D_L_DEPTH (5<<14) 96 #define DRM_MODE_FLAG_3D_L_DEPTH_GFX_GFX_DEPTH (6<<14) 97 #define DRM_MODE_FLAG_3D_TOP_AND_BOTTOM (7<<14) 98 #define DRM_MODE_FLAG_3D_SIDE_BY_SIDE_HALF (8<<14) 99 100 /* Picture aspect ratio options */ 101 #define DRM_MODE_PICTURE_ASPECT_NONE 0 102 #define DRM_MODE_PICTURE_ASPECT_4_3 1 103 #define DRM_MODE_PICTURE_ASPECT_16_9 2 104 #define DRM_MODE_PICTURE_ASPECT_64_27 3 105 #define DRM_MODE_PICTURE_ASPECT_256_135 4 106 107 /* Content type options */ 108 #define DRM_MODE_CONTENT_TYPE_NO_DATA 0 109 #define DRM_MODE_CONTENT_TYPE_GRAPHICS 1 110 #define DRM_MODE_CONTENT_TYPE_PHOTO 2 111 #define DRM_MODE_CONTENT_TYPE_CINEMA 3 112 #define DRM_MODE_CONTENT_TYPE_GAME 4 113 114 /* Aspect ratio flag bitmask (4 bits 22:19) */ 115 #define DRM_MODE_FLAG_PIC_AR_MASK (0x0F<<19) 116 #define DRM_MODE_FLAG_PIC_AR_NONE \ 117 (DRM_MODE_PICTURE_ASPECT_NONE<<19) 118 #define DRM_MODE_FLAG_PIC_AR_4_3 \ 119 (DRM_MODE_PICTURE_ASPECT_4_3<<19) 120 #define DRM_MODE_FLAG_PIC_AR_16_9 \ 121 (DRM_MODE_PICTURE_ASPECT_16_9<<19) 122 #define DRM_MODE_FLAG_PIC_AR_64_27 \ 123 (DRM_MODE_PICTURE_ASPECT_64_27<<19) 124 #define DRM_MODE_FLAG_PIC_AR_256_135 \ 125 (DRM_MODE_PICTURE_ASPECT_256_135<<19) 126 127 #define DRM_MODE_FLAG_ALL (DRM_MODE_FLAG_PHSYNC | \ 128 DRM_MODE_FLAG_NHSYNC | \ 129 DRM_MODE_FLAG_PVSYNC | \ 130 DRM_MODE_FLAG_NVSYNC | \ 131 DRM_MODE_FLAG_INTERLACE | \ 132 DRM_MODE_FLAG_DBLSCAN | \ 133 DRM_MODE_FLAG_CSYNC | \ 134 DRM_MODE_FLAG_PCSYNC | \ 135 DRM_MODE_FLAG_NCSYNC | \ 136 DRM_MODE_FLAG_HSKEW | \ 137 DRM_MODE_FLAG_DBLCLK | \ 138 DRM_MODE_FLAG_CLKDIV2 | \ 139 DRM_MODE_FLAG_3D_MASK) 140 141 /* DPMS flags */ 142 /* bit compatible with the xorg definitions. */ 143 #define DRM_MODE_DPMS_ON 0 144 #define DRM_MODE_DPMS_STANDBY 1 145 #define DRM_MODE_DPMS_SUSPEND 2 146 #define DRM_MODE_DPMS_OFF 3 147 148 /* Scaling mode options */ 149 #define DRM_MODE_SCALE_NONE 0 /* Unmodified timing (display or 150 software can still scale) */ 151 #define DRM_MODE_SCALE_FULLSCREEN 1 /* Full screen, ignore aspect */ 152 #define DRM_MODE_SCALE_CENTER 2 /* Centered, no scaling */ 153 #define DRM_MODE_SCALE_ASPECT 3 /* Full screen, preserve aspect */ 154 155 /* Dithering mode options */ 156 #define DRM_MODE_DITHERING_OFF 0 157 #define DRM_MODE_DITHERING_ON 1 158 #define DRM_MODE_DITHERING_AUTO 2 159 160 /* Dirty info options */ 161 #define DRM_MODE_DIRTY_OFF 0 162 #define DRM_MODE_DIRTY_ON 1 163 #define DRM_MODE_DIRTY_ANNOTATE 2 164 165 /* Link Status options */ 166 #define DRM_MODE_LINK_STATUS_GOOD 0 167 #define DRM_MODE_LINK_STATUS_BAD 1 168 169 /* 170 * DRM_MODE_ROTATE_<degrees> 171 * 172 * Signals that a drm plane is been rotated <degrees> degrees in counter 173 * clockwise direction. 174 * 175 * This define is provided as a convenience, looking up the property id 176 * using the name->prop id lookup is the preferred method. 177 */ 178 #define DRM_MODE_ROTATE_0 (1<<0) 179 #define DRM_MODE_ROTATE_90 (1<<1) 180 #define DRM_MODE_ROTATE_180 (1<<2) 181 #define DRM_MODE_ROTATE_270 (1<<3) 182 183 /* 184 * DRM_MODE_ROTATE_MASK 185 * 186 * Bitmask used to look for drm plane rotations. 187 */ 188 #define DRM_MODE_ROTATE_MASK (\ 189 DRM_MODE_ROTATE_0 | \ 190 DRM_MODE_ROTATE_90 | \ 191 DRM_MODE_ROTATE_180 | \ 192 DRM_MODE_ROTATE_270) 193 194 /* 195 * DRM_MODE_REFLECT_<axis> 196 * 197 * Signals that the contents of a drm plane is reflected along the <axis> axis, 198 * in the same way as mirroring. 199 * See kerneldoc chapter "Plane Composition Properties" for more details. 200 * 201 * This define is provided as a convenience, looking up the property id 202 * using the name->prop id lookup is the preferred method. 203 */ 204 #define DRM_MODE_REFLECT_X (1<<4) 205 #define DRM_MODE_REFLECT_Y (1<<5) 206 207 /* 208 * DRM_MODE_REFLECT_MASK 209 * 210 * Bitmask used to look for drm plane reflections. 211 */ 212 #define DRM_MODE_REFLECT_MASK (\ 213 DRM_MODE_REFLECT_X | \ 214 DRM_MODE_REFLECT_Y) 215 216 /* Content Protection Flags */ 217 #define DRM_MODE_CONTENT_PROTECTION_UNDESIRED 0 218 #define DRM_MODE_CONTENT_PROTECTION_DESIRED 1 219 #define DRM_MODE_CONTENT_PROTECTION_ENABLED 2 220 221 struct drm_mode_modeinfo { 222 __u32 clock; 223 __u16 hdisplay; 224 __u16 hsync_start; 225 __u16 hsync_end; 226 __u16 htotal; 227 __u16 hskew; 228 __u16 vdisplay; 229 __u16 vsync_start; 230 __u16 vsync_end; 231 __u16 vtotal; 232 __u16 vscan; 233 234 __u32 vrefresh; 235 236 __u32 flags; 237 __u32 type; 238 char name[DRM_DISPLAY_MODE_LEN]; 239 }; 240 241 struct drm_mode_card_res { 242 __u64 fb_id_ptr; 243 __u64 crtc_id_ptr; 244 __u64 connector_id_ptr; 245 __u64 encoder_id_ptr; 246 __u32 count_fbs; 247 __u32 count_crtcs; 248 __u32 count_connectors; 249 __u32 count_encoders; 250 __u32 min_width; 251 __u32 max_width; 252 __u32 min_height; 253 __u32 max_height; 254 }; 255 256 struct drm_mode_crtc { 257 __u64 set_connectors_ptr; 258 __u32 count_connectors; 259 260 __u32 crtc_id; /**< Id */ 261 __u32 fb_id; /**< Id of framebuffer */ 262 263 __u32 x; /**< x Position on the framebuffer */ 264 __u32 y; /**< y Position on the framebuffer */ 265 266 __u32 gamma_size; 267 __u32 mode_valid; 268 struct drm_mode_modeinfo mode; 269 }; 270 271 #define DRM_MODE_PRESENT_TOP_FIELD (1<<0) 272 #define DRM_MODE_PRESENT_BOTTOM_FIELD (1<<1) 273 274 /* Planes blend with or override other bits on the CRTC */ 275 struct drm_mode_set_plane { 276 __u32 plane_id; 277 __u32 crtc_id; 278 __u32 fb_id; /* fb object contains surface format type */ 279 __u32 flags; /* see above flags */ 280 281 /* Signed dest location allows it to be partially off screen */ 282 __s32 crtc_x; 283 __s32 crtc_y; 284 __u32 crtc_w; 285 __u32 crtc_h; 286 287 /* Source values are 16.16 fixed point */ 288 __u32 src_x; 289 __u32 src_y; 290 __u32 src_h; 291 __u32 src_w; 292 }; 293 294 struct drm_mode_get_plane { 295 __u32 plane_id; 296 297 __u32 crtc_id; 298 __u32 fb_id; 299 300 __u32 possible_crtcs; 301 __u32 gamma_size; 302 303 __u32 count_format_types; 304 __u64 format_type_ptr; 305 }; 306 307 struct drm_mode_get_plane_res { 308 __u64 plane_id_ptr; 309 __u32 count_planes; 310 }; 311 312 #define DRM_MODE_ENCODER_NONE 0 313 #define DRM_MODE_ENCODER_DAC 1 314 #define DRM_MODE_ENCODER_TMDS 2 315 #define DRM_MODE_ENCODER_LVDS 3 316 #define DRM_MODE_ENCODER_TVDAC 4 317 #define DRM_MODE_ENCODER_VIRTUAL 5 318 #define DRM_MODE_ENCODER_DSI 6 319 #define DRM_MODE_ENCODER_DPMST 7 320 #define DRM_MODE_ENCODER_DPI 8 321 322 struct drm_mode_get_encoder { 323 __u32 encoder_id; 324 __u32 encoder_type; 325 326 __u32 crtc_id; /**< Id of crtc */ 327 328 __u32 possible_crtcs; 329 __u32 possible_clones; 330 }; 331 332 /* This is for connectors with multiple signal types. */ 333 /* Try to match DRM_MODE_CONNECTOR_X as closely as possible. */ 334 enum drm_mode_subconnector { 335 DRM_MODE_SUBCONNECTOR_Automatic = 0, /* DVI-I, TV */ 336 DRM_MODE_SUBCONNECTOR_Unknown = 0, /* DVI-I, TV, DP */ 337 DRM_MODE_SUBCONNECTOR_VGA = 1, /* DP */ 338 DRM_MODE_SUBCONNECTOR_DVID = 3, /* DVI-I DP */ 339 DRM_MODE_SUBCONNECTOR_DVIA = 4, /* DVI-I */ 340 DRM_MODE_SUBCONNECTOR_Composite = 5, /* TV */ 341 DRM_MODE_SUBCONNECTOR_SVIDEO = 6, /* TV */ 342 DRM_MODE_SUBCONNECTOR_Component = 8, /* TV */ 343 DRM_MODE_SUBCONNECTOR_SCART = 9, /* TV */ 344 DRM_MODE_SUBCONNECTOR_DisplayPort = 10, /* DP */ 345 DRM_MODE_SUBCONNECTOR_HDMIA = 11, /* DP */ 346 DRM_MODE_SUBCONNECTOR_Native = 15, /* DP */ 347 DRM_MODE_SUBCONNECTOR_Wireless = 18, /* DP */ 348 }; 349 350 #define DRM_MODE_CONNECTOR_Unknown 0 351 #define DRM_MODE_CONNECTOR_VGA 1 352 #define DRM_MODE_CONNECTOR_DVII 2 353 #define DRM_MODE_CONNECTOR_DVID 3 354 #define DRM_MODE_CONNECTOR_DVIA 4 355 #define DRM_MODE_CONNECTOR_Composite 5 356 #define DRM_MODE_CONNECTOR_SVIDEO 6 357 #define DRM_MODE_CONNECTOR_LVDS 7 358 #define DRM_MODE_CONNECTOR_Component 8 359 #define DRM_MODE_CONNECTOR_9PinDIN 9 360 #define DRM_MODE_CONNECTOR_DisplayPort 10 361 #define DRM_MODE_CONNECTOR_HDMIA 11 362 #define DRM_MODE_CONNECTOR_HDMIB 12 363 #define DRM_MODE_CONNECTOR_TV 13 364 #define DRM_MODE_CONNECTOR_eDP 14 365 #define DRM_MODE_CONNECTOR_VIRTUAL 15 366 #define DRM_MODE_CONNECTOR_DSI 16 367 #define DRM_MODE_CONNECTOR_DPI 17 368 #define DRM_MODE_CONNECTOR_WRITEBACK 18 369 #define DRM_MODE_CONNECTOR_SPI 19 370 371 struct drm_mode_get_connector { 372 373 __u64 encoders_ptr; 374 __u64 modes_ptr; 375 __u64 props_ptr; 376 __u64 prop_values_ptr; 377 378 __u32 count_modes; 379 __u32 count_props; 380 __u32 count_encoders; 381 382 __u32 encoder_id; /**< Current Encoder */ 383 __u32 connector_id; /**< Id */ 384 __u32 connector_type; 385 __u32 connector_type_id; 386 387 __u32 connection; 388 __u32 mm_width; /**< width in millimeters */ 389 __u32 mm_height; /**< height in millimeters */ 390 __u32 subpixel; 391 392 __u32 pad; 393 }; 394 395 #define DRM_MODE_PROP_PENDING (1<<0) /* deprecated, do not use */ 396 #define DRM_MODE_PROP_RANGE (1<<1) 397 #define DRM_MODE_PROP_IMMUTABLE (1<<2) 398 #define DRM_MODE_PROP_ENUM (1<<3) /* enumerated type with text strings */ 399 #define DRM_MODE_PROP_BLOB (1<<4) 400 #define DRM_MODE_PROP_BITMASK (1<<5) /* bitmask of enumerated types */ 401 402 /* non-extended types: legacy bitmask, one bit per type: */ 403 #define DRM_MODE_PROP_LEGACY_TYPE ( \ 404 DRM_MODE_PROP_RANGE | \ 405 DRM_MODE_PROP_ENUM | \ 406 DRM_MODE_PROP_BLOB | \ 407 DRM_MODE_PROP_BITMASK) 408 409 /* extended-types: rather than continue to consume a bit per type, 410 * grab a chunk of the bits to use as integer type id. 411 */ 412 #define DRM_MODE_PROP_EXTENDED_TYPE 0x0000ffc0 413 #define DRM_MODE_PROP_TYPE(n) ((n) << 6) 414 #define DRM_MODE_PROP_OBJECT DRM_MODE_PROP_TYPE(1) 415 #define DRM_MODE_PROP_SIGNED_RANGE DRM_MODE_PROP_TYPE(2) 416 417 /* the PROP_ATOMIC flag is used to hide properties from userspace that 418 * is not aware of atomic properties. This is mostly to work around 419 * older userspace (DDX drivers) that read/write each prop they find, 420 * witout being aware that this could be triggering a lengthy modeset. 421 */ 422 #define DRM_MODE_PROP_ATOMIC 0x80000000 423 424 struct drm_mode_property_enum { 425 __u64 value; 426 char name[DRM_PROP_NAME_LEN]; 427 }; 428 429 struct drm_mode_get_property { 430 __u64 values_ptr; /* values and blob lengths */ 431 __u64 enum_blob_ptr; /* enum and blob id ptrs */ 432 433 __u32 prop_id; 434 __u32 flags; 435 char name[DRM_PROP_NAME_LEN]; 436 437 __u32 count_values; 438 /* This is only used to count enum values, not blobs. The _blobs is 439 * simply because of a historical reason, i.e. backwards compat. */ 440 __u32 count_enum_blobs; 441 }; 442 443 struct drm_mode_connector_set_property { 444 __u64 value; 445 __u32 prop_id; 446 __u32 connector_id; 447 }; 448 449 #define DRM_MODE_OBJECT_CRTC 0xcccccccc 450 #define DRM_MODE_OBJECT_CONNECTOR 0xc0c0c0c0 451 #define DRM_MODE_OBJECT_ENCODER 0xe0e0e0e0 452 #define DRM_MODE_OBJECT_MODE 0xdededede 453 #define DRM_MODE_OBJECT_PROPERTY 0xb0b0b0b0 454 #define DRM_MODE_OBJECT_FB 0xfbfbfbfb 455 #define DRM_MODE_OBJECT_BLOB 0xbbbbbbbb 456 #define DRM_MODE_OBJECT_PLANE 0xeeeeeeee 457 #define DRM_MODE_OBJECT_ANY 0 458 459 struct drm_mode_obj_get_properties { 460 __u64 props_ptr; 461 __u64 prop_values_ptr; 462 __u32 count_props; 463 __u32 obj_id; 464 __u32 obj_type; 465 }; 466 467 struct drm_mode_obj_set_property { 468 __u64 value; 469 __u32 prop_id; 470 __u32 obj_id; 471 __u32 obj_type; 472 }; 473 474 struct drm_mode_get_blob { 475 __u32 blob_id; 476 __u32 length; 477 __u64 data; 478 }; 479 480 struct drm_mode_fb_cmd { 481 __u32 fb_id; 482 __u32 width; 483 __u32 height; 484 __u32 pitch; 485 __u32 bpp; 486 __u32 depth; 487 /* driver specific handle */ 488 __u32 handle; 489 }; 490 491 #define DRM_MODE_FB_INTERLACED (1<<0) /* for interlaced framebuffers */ 492 #define DRM_MODE_FB_MODIFIERS (1<<1) /* enables ->modifer[] */ 493 494 struct drm_mode_fb_cmd2 { 495 __u32 fb_id; 496 __u32 width; 497 __u32 height; 498 __u32 pixel_format; /* fourcc code from drm_fourcc.h */ 499 __u32 flags; /* see above flags */ 500 501 /* 502 * In case of planar formats, this ioctl allows up to 4 503 * buffer objects with offsets and pitches per plane. 504 * The pitch and offset order is dictated by the fourcc, 505 * e.g. NV12 (https://fourcc.org/yuv.php#NV12) is described as: 506 * 507 * YUV 4:2:0 image with a plane of 8 bit Y samples 508 * followed by an interleaved U/V plane containing 509 * 8 bit 2x2 subsampled colour difference samples. 510 * 511 * So it would consist of Y as offsets[0] and UV as 512 * offsets[1]. Note that offsets[0] will generally 513 * be 0 (but this is not required). 514 * 515 * To accommodate tiled, compressed, etc formats, a 516 * modifier can be specified. The default value of zero 517 * indicates "native" format as specified by the fourcc. 518 * Vendor specific modifier token. Note that even though 519 * it looks like we have a modifier per-plane, we in fact 520 * do not. The modifier for each plane must be identical. 521 * Thus all combinations of different data layouts for 522 * multi plane formats must be enumerated as separate 523 * modifiers. 524 */ 525 __u32 handles[4]; 526 __u32 pitches[4]; /* pitch for each plane */ 527 __u32 offsets[4]; /* offset of each plane */ 528 __u64 modifier[4]; /* ie, tiling, compress */ 529 }; 530 531 #define DRM_MODE_FB_DIRTY_ANNOTATE_COPY 0x01 532 #define DRM_MODE_FB_DIRTY_ANNOTATE_FILL 0x02 533 #define DRM_MODE_FB_DIRTY_FLAGS 0x03 534 535 #define DRM_MODE_FB_DIRTY_MAX_CLIPS 256 536 537 /* 538 * Mark a region of a framebuffer as dirty. 539 * 540 * Some hardware does not automatically update display contents 541 * as a hardware or software draw to a framebuffer. This ioctl 542 * allows userspace to tell the kernel and the hardware what 543 * regions of the framebuffer have changed. 544 * 545 * The kernel or hardware is free to update more then just the 546 * region specified by the clip rects. The kernel or hardware 547 * may also delay and/or coalesce several calls to dirty into a 548 * single update. 549 * 550 * Userspace may annotate the updates, the annotates are a 551 * promise made by the caller that the change is either a copy 552 * of pixels or a fill of a single color in the region specified. 553 * 554 * If the DRM_MODE_FB_DIRTY_ANNOTATE_COPY flag is given then 555 * the number of updated regions are half of num_clips given, 556 * where the clip rects are paired in src and dst. The width and 557 * height of each one of the pairs must match. 558 * 559 * If the DRM_MODE_FB_DIRTY_ANNOTATE_FILL flag is given the caller 560 * promises that the region specified of the clip rects is filled 561 * completely with a single color as given in the color argument. 562 */ 563 564 struct drm_mode_fb_dirty_cmd { 565 __u32 fb_id; 566 __u32 flags; 567 __u32 color; 568 __u32 num_clips; 569 __u64 clips_ptr; 570 }; 571 572 struct drm_mode_mode_cmd { 573 __u32 connector_id; 574 struct drm_mode_modeinfo mode; 575 }; 576 577 #define DRM_MODE_CURSOR_BO 0x01 578 #define DRM_MODE_CURSOR_MOVE 0x02 579 #define DRM_MODE_CURSOR_FLAGS 0x03 580 581 /* 582 * depending on the value in flags different members are used. 583 * 584 * CURSOR_BO uses 585 * crtc_id 586 * width 587 * height 588 * handle - if 0 turns the cursor off 589 * 590 * CURSOR_MOVE uses 591 * crtc_id 592 * x 593 * y 594 */ 595 struct drm_mode_cursor { 596 __u32 flags; 597 __u32 crtc_id; 598 __s32 x; 599 __s32 y; 600 __u32 width; 601 __u32 height; 602 /* driver specific handle */ 603 __u32 handle; 604 }; 605 606 struct drm_mode_cursor2 { 607 __u32 flags; 608 __u32 crtc_id; 609 __s32 x; 610 __s32 y; 611 __u32 width; 612 __u32 height; 613 /* driver specific handle */ 614 __u32 handle; 615 __s32 hot_x; 616 __s32 hot_y; 617 }; 618 619 struct drm_mode_crtc_lut { 620 __u32 crtc_id; 621 __u32 gamma_size; 622 623 /* pointers to arrays */ 624 __u64 red; 625 __u64 green; 626 __u64 blue; 627 }; 628 629 struct drm_color_ctm { 630 /* 631 * Conversion matrix in S31.32 sign-magnitude 632 * (not two's complement!) format. 633 */ 634 __u64 matrix[9]; 635 }; 636 637 struct drm_color_lut { 638 /* 639 * Values are mapped linearly to 0.0 - 1.0 range, with 0x0 == 0.0 and 640 * 0xffff == 1.0. 641 */ 642 __u16 red; 643 __u16 green; 644 __u16 blue; 645 __u16 reserved; 646 }; 647 648 /** 649 * struct hdr_metadata_infoframe - HDR Metadata Infoframe Data. 650 * 651 * HDR Metadata Infoframe as per CTA 861.G spec. This is expected 652 * to match exactly with the spec. 653 * 654 * Userspace is expected to pass the metadata information as per 655 * the format described in this structure. 656 */ 657 struct hdr_metadata_infoframe { 658 /** 659 * @eotf: Electro-Optical Transfer Function (EOTF) 660 * used in the stream. 661 */ 662 __u8 eotf; 663 /** 664 * @metadata_type: Static_Metadata_Descriptor_ID. 665 */ 666 __u8 metadata_type; 667 /** 668 * @display_primaries: Color Primaries of the Data. 669 * These are coded as unsigned 16-bit values in units of 670 * 0.00002, where 0x0000 represents zero and 0xC350 671 * represents 1.0000. 672 * @display_primaries.x: X cordinate of color primary. 673 * @display_primaries.y: Y cordinate of color primary. 674 */ 675 struct { 676 __u16 x, y; 677 } display_primaries[3]; 678 /** 679 * @white_point: White Point of Colorspace Data. 680 * These are coded as unsigned 16-bit values in units of 681 * 0.00002, where 0x0000 represents zero and 0xC350 682 * represents 1.0000. 683 * @white_point.x: X cordinate of whitepoint of color primary. 684 * @white_point.y: Y cordinate of whitepoint of color primary. 685 */ 686 struct { 687 __u16 x, y; 688 } white_point; 689 /** 690 * @max_display_mastering_luminance: Max Mastering Display Luminance. 691 * This value is coded as an unsigned 16-bit value in units of 1 cd/m2, 692 * where 0x0001 represents 1 cd/m2 and 0xFFFF represents 65535 cd/m2. 693 */ 694 __u16 max_display_mastering_luminance; 695 /** 696 * @min_display_mastering_luminance: Min Mastering Display Luminance. 697 * This value is coded as an unsigned 16-bit value in units of 698 * 0.0001 cd/m2, where 0x0001 represents 0.0001 cd/m2 and 0xFFFF 699 * represents 6.5535 cd/m2. 700 */ 701 __u16 min_display_mastering_luminance; 702 /** 703 * @max_cll: Max Content Light Level. 704 * This value is coded as an unsigned 16-bit value in units of 1 cd/m2, 705 * where 0x0001 represents 1 cd/m2 and 0xFFFF represents 65535 cd/m2. 706 */ 707 __u16 max_cll; 708 /** 709 * @max_fall: Max Frame Average Light Level. 710 * This value is coded as an unsigned 16-bit value in units of 1 cd/m2, 711 * where 0x0001 represents 1 cd/m2 and 0xFFFF represents 65535 cd/m2. 712 */ 713 __u16 max_fall; 714 }; 715 716 /** 717 * struct hdr_output_metadata - HDR output metadata 718 * 719 * Metadata Information to be passed from userspace 720 */ 721 struct hdr_output_metadata { 722 /** 723 * @metadata_type: Static_Metadata_Descriptor_ID. 724 */ 725 __u32 metadata_type; 726 /** 727 * @hdmi_metadata_type1: HDR Metadata Infoframe. 728 */ 729 union { 730 struct hdr_metadata_infoframe hdmi_metadata_type1; 731 }; 732 }; 733 734 #define DRM_MODE_PAGE_FLIP_EVENT 0x01 735 #define DRM_MODE_PAGE_FLIP_ASYNC 0x02 736 #define DRM_MODE_PAGE_FLIP_TARGET_ABSOLUTE 0x4 737 #define DRM_MODE_PAGE_FLIP_TARGET_RELATIVE 0x8 738 #define DRM_MODE_PAGE_FLIP_TARGET (DRM_MODE_PAGE_FLIP_TARGET_ABSOLUTE | \ 739 DRM_MODE_PAGE_FLIP_TARGET_RELATIVE) 740 #define DRM_MODE_PAGE_FLIP_FLAGS (DRM_MODE_PAGE_FLIP_EVENT | \ 741 DRM_MODE_PAGE_FLIP_ASYNC | \ 742 DRM_MODE_PAGE_FLIP_TARGET) 743 744 /* 745 * Request a page flip on the specified crtc. 746 * 747 * This ioctl will ask KMS to schedule a page flip for the specified 748 * crtc. Once any pending rendering targeting the specified fb (as of 749 * ioctl time) has completed, the crtc will be reprogrammed to display 750 * that fb after the next vertical refresh. The ioctl returns 751 * immediately, but subsequent rendering to the current fb will block 752 * in the execbuffer ioctl until the page flip happens. If a page 753 * flip is already pending as the ioctl is called, EBUSY will be 754 * returned. 755 * 756 * Flag DRM_MODE_PAGE_FLIP_EVENT requests that drm sends back a vblank 757 * event (see drm.h: struct drm_event_vblank) when the page flip is 758 * done. The user_data field passed in with this ioctl will be 759 * returned as the user_data field in the vblank event struct. 760 * 761 * Flag DRM_MODE_PAGE_FLIP_ASYNC requests that the flip happen 762 * 'as soon as possible', meaning that it not delay waiting for vblank. 763 * This may cause tearing on the screen. 764 * 765 * The reserved field must be zero. 766 */ 767 768 struct drm_mode_crtc_page_flip { 769 __u32 crtc_id; 770 __u32 fb_id; 771 __u32 flags; 772 __u32 reserved; 773 __u64 user_data; 774 }; 775 776 /* 777 * Request a page flip on the specified crtc. 778 * 779 * Same as struct drm_mode_crtc_page_flip, but supports new flags and 780 * re-purposes the reserved field: 781 * 782 * The sequence field must be zero unless either of the 783 * DRM_MODE_PAGE_FLIP_TARGET_ABSOLUTE/RELATIVE flags is specified. When 784 * the ABSOLUTE flag is specified, the sequence field denotes the absolute 785 * vblank sequence when the flip should take effect. When the RELATIVE 786 * flag is specified, the sequence field denotes the relative (to the 787 * current one when the ioctl is called) vblank sequence when the flip 788 * should take effect. NOTE: DRM_IOCTL_WAIT_VBLANK must still be used to 789 * make sure the vblank sequence before the target one has passed before 790 * calling this ioctl. The purpose of the 791 * DRM_MODE_PAGE_FLIP_TARGET_ABSOLUTE/RELATIVE flags is merely to clarify 792 * the target for when code dealing with a page flip runs during a 793 * vertical blank period. 794 */ 795 796 struct drm_mode_crtc_page_flip_target { 797 __u32 crtc_id; 798 __u32 fb_id; 799 __u32 flags; 800 __u32 sequence; 801 __u64 user_data; 802 }; 803 804 /* create a dumb scanout buffer */ 805 struct drm_mode_create_dumb { 806 __u32 height; 807 __u32 width; 808 __u32 bpp; 809 __u32 flags; 810 /* handle, pitch, size will be returned */ 811 __u32 handle; 812 __u32 pitch; 813 __u64 size; 814 }; 815 816 /* set up for mmap of a dumb scanout buffer */ 817 struct drm_mode_map_dumb { 818 /** Handle for the object being mapped. */ 819 __u32 handle; 820 __u32 pad; 821 /** 822 * Fake offset to use for subsequent mmap call 823 * 824 * This is a fixed-size type for 32/64 compatibility. 825 */ 826 __u64 offset; 827 }; 828 829 struct drm_mode_destroy_dumb { 830 __u32 handle; 831 }; 832 833 /* page-flip flags are valid, plus: */ 834 #define DRM_MODE_ATOMIC_TEST_ONLY 0x0100 835 #define DRM_MODE_ATOMIC_NONBLOCK 0x0200 836 #define DRM_MODE_ATOMIC_ALLOW_MODESET 0x0400 837 838 #define DRM_MODE_ATOMIC_FLAGS (\ 839 DRM_MODE_PAGE_FLIP_EVENT |\ 840 DRM_MODE_PAGE_FLIP_ASYNC |\ 841 DRM_MODE_ATOMIC_TEST_ONLY |\ 842 DRM_MODE_ATOMIC_NONBLOCK |\ 843 DRM_MODE_ATOMIC_ALLOW_MODESET) 844 845 struct drm_mode_atomic { 846 __u32 flags; 847 __u32 count_objs; 848 __u64 objs_ptr; 849 __u64 count_props_ptr; 850 __u64 props_ptr; 851 __u64 prop_values_ptr; 852 __u64 reserved; 853 __u64 user_data; 854 }; 855 856 struct drm_format_modifier_blob { 857 #define FORMAT_BLOB_CURRENT 1 858 /* Version of this blob format */ 859 __u32 version; 860 861 /* Flags */ 862 __u32 flags; 863 864 /* Number of fourcc formats supported */ 865 __u32 count_formats; 866 867 /* Where in this blob the formats exist (in bytes) */ 868 __u32 formats_offset; 869 870 /* Number of drm_format_modifiers */ 871 __u32 count_modifiers; 872 873 /* Where in this blob the modifiers exist (in bytes) */ 874 __u32 modifiers_offset; 875 876 /* __u32 formats[] */ 877 /* struct drm_format_modifier modifiers[] */ 878 }; 879 880 struct drm_format_modifier { 881 /* Bitmask of formats in get_plane format list this info applies to. The 882 * offset allows a sliding window of which 64 formats (bits). 883 * 884 * Some examples: 885 * In today's world with < 65 formats, and formats 0, and 2 are 886 * supported 887 * 0x0000000000000005 888 * ^-offset = 0, formats = 5 889 * 890 * If the number formats grew to 128, and formats 98-102 are 891 * supported with the modifier: 892 * 893 * 0x0000007c00000000 0000000000000000 894 * ^ 895 * |__offset = 64, formats = 0x7c00000000 896 * 897 */ 898 __u64 formats; 899 __u32 offset; 900 __u32 pad; 901 902 /* The modifier that applies to the >get_plane format list bitmask. */ 903 __u64 modifier; 904 }; 905 906 /** 907 * struct drm_mode_create_blob - Create New block property 908 * @data: Pointer to data to copy. 909 * @length: Length of data to copy. 910 * @blob_id: new property ID. 911 * Create a new 'blob' data property, copying length bytes from data pointer, 912 * and returning new blob ID. 913 */ 914 struct drm_mode_create_blob { 915 /** Pointer to data to copy. */ 916 __u64 data; 917 /** Length of data to copy. */ 918 __u32 length; 919 /** Return: new property ID. */ 920 __u32 blob_id; 921 }; 922 923 /** 924 * struct drm_mode_destroy_blob - Destroy user blob 925 * @blob_id: blob_id to destroy 926 * Destroy a user-created blob property. 927 */ 928 struct drm_mode_destroy_blob { 929 __u32 blob_id; 930 }; 931 932 /** 933 * struct drm_mode_create_lease - Create lease 934 * @object_ids: Pointer to array of object ids. 935 * @object_count: Number of object ids. 936 * @flags: flags for new FD. 937 * @lessee_id: unique identifier for lessee. 938 * @fd: file descriptor to new drm_master file. 939 * Lease mode resources, creating another drm_master. 940 */ 941 struct drm_mode_create_lease { 942 /** Pointer to array of object ids (__u32) */ 943 __u64 object_ids; 944 /** Number of object ids */ 945 __u32 object_count; 946 /** flags for new FD (O_CLOEXEC, etc) */ 947 __u32 flags; 948 949 /** Return: unique identifier for lessee. */ 950 __u32 lessee_id; 951 /** Return: file descriptor to new drm_master file */ 952 __u32 fd; 953 }; 954 955 /** 956 * struct drm_mode_list_lessees - List lessees 957 * @count_lessees: Number of lessees. 958 * @pad: pad. 959 * @lessees_ptr: Pointer to lessess. 960 * List lesses from a drm_master 961 */ 962 struct drm_mode_list_lessees { 963 /** Number of lessees. 964 * On input, provides length of the array. 965 * On output, provides total number. No 966 * more than the input number will be written 967 * back, so two calls can be used to get 968 * the size and then the data. 969 */ 970 __u32 count_lessees; 971 __u32 pad; 972 973 /** Pointer to lessees. 974 * pointer to __u64 array of lessee ids 975 */ 976 __u64 lessees_ptr; 977 }; 978 979 /** 980 * struct drm_mode_get_lease - Get Lease 981 * @count_objects: Number of leased objects. 982 * @pad: pad. 983 * @objects_ptr: Pointer to objects. 984 * Get leased objects 985 */ 986 struct drm_mode_get_lease { 987 /** Number of leased objects. 988 * On input, provides length of the array. 989 * On output, provides total number. No 990 * more than the input number will be written 991 * back, so two calls can be used to get 992 * the size and then the data. 993 */ 994 __u32 count_objects; 995 __u32 pad; 996 997 /** Pointer to objects. 998 * pointer to __u32 array of object ids 999 */ 1000 __u64 objects_ptr; 1001 }; 1002 1003 /** 1004 * struct drm_mode_revoke_lease - Revoke lease 1005 * @lessee_id: Unique ID of lessee. 1006 * Revoke lease 1007 */ 1008 struct drm_mode_revoke_lease { 1009 /** Unique ID of lessee 1010 */ 1011 __u32 lessee_id; 1012 }; 1013 1014 /** 1015 * struct drm_mode_rect - Two dimensional rectangle. 1016 * @x1: Horizontal starting coordinate (inclusive). 1017 * @y1: Vertical starting coordinate (inclusive). 1018 * @x2: Horizontal ending coordinate (exclusive). 1019 * @y2: Vertical ending coordinate (exclusive). 1020 * 1021 * With drm subsystem using struct drm_rect to manage rectangular area this 1022 * export it to user-space. 1023 * 1024 * Currently used by drm_mode_atomic blob property FB_DAMAGE_CLIPS. 1025 */ 1026 struct drm_mode_rect { 1027 __s32 x1; 1028 __s32 y1; 1029 __s32 x2; 1030 __s32 y2; 1031 }; 1032 1033 #if defined(__cplusplus) 1034 } 1035 #endif 1036 1037 #endif 1038
