include/uapi/drm/drm_mode.h

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