include/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 <linux/types.h>
  31
  32 #define DRM_DISPLAY_INFO_LEN    32
  33 #define DRM_CONNECTOR_NAME_LEN  32
  34 #define DRM_DISPLAY_MODE_LEN    32
  35 #define DRM_PROP_NAME_LEN       32
  36
  37 #define DRM_MODE_TYPE_BUILTIN   (1<<0)
  38 #define DRM_MODE_TYPE_CLOCK_C   ((1<<1) | DRM_MODE_TYPE_BUILTIN)
  39 #define DRM_MODE_TYPE_CRTC_C    ((1<<2) | DRM_MODE_TYPE_BUILTIN)
  40 #define DRM_MODE_TYPE_PREFERRED (1<<3)
  41 #define DRM_MODE_TYPE_DEFAULT   (1<<4)
  42 #define DRM_MODE_TYPE_USERDEF   (1<<5)
  43 #define DRM_MODE_TYPE_DRIVER    (1<<6)
  44
  45 /* Video mode flags */
  46 /* bit compatible with the xorg definitions. */
  47 #define DRM_MODE_FLAG_PHSYNC    (1<<0)
  48 #define DRM_MODE_FLAG_NHSYNC    (1<<1)
  49 #define DRM_MODE_FLAG_PVSYNC    (1<<2)
  50 #define DRM_MODE_FLAG_NVSYNC    (1<<3)
  51 #define DRM_MODE_FLAG_INTERLACE (1<<4)
  52 #define DRM_MODE_FLAG_DBLSCAN   (1<<5)
  53 #define DRM_MODE_FLAG_CSYNC     (1<<6)
  54 #define DRM_MODE_FLAG_PCSYNC    (1<<7)
  55 #define DRM_MODE_FLAG_NCSYNC    (1<<8)
  56 #define DRM_MODE_FLAG_HSKEW     (1<<9) /* hskew provided */
  57 #define DRM_MODE_FLAG_BCAST     (1<<10)
  58 #define DRM_MODE_FLAG_PIXMUX    (1<<11)
  59 #define DRM_MODE_FLAG_DBLCLK    (1<<12)
  60 #define DRM_MODE_FLAG_CLKDIV2   (1<<13)
  61
  62 /* DPMS flags */
  63 /* bit compatible with the xorg definitions. */
  64 #define DRM_MODE_DPMS_ON        0
  65 #define DRM_MODE_DPMS_STANDBY   1
  66 #define DRM_MODE_DPMS_SUSPEND   2
  67 #define DRM_MODE_DPMS_OFF       3
  68
  69 /* Scaling mode options */
  70 #define DRM_MODE_SCALE_NONE             0 /* Unmodified timing (display or
  71                                              software can still scale) */
  72 #define DRM_MODE_SCALE_FULLSCREEN       1 /* Full screen, ignore aspect */
  73 #define DRM_MODE_SCALE_CENTER           2 /* Centered, no scaling */
  74 #define DRM_MODE_SCALE_ASPECT           3 /* Full screen, preserve aspect */
  75
  76 /* Dithering mode options */
  77 #define DRM_MODE_DITHERING_OFF  0
  78 #define DRM_MODE_DITHERING_ON   1
  79 #define DRM_MODE_DITHERING_AUTO 2
  80
  81 /* Dirty info options */
  82 #define DRM_MODE_DIRTY_OFF      0
  83 #define DRM_MODE_DIRTY_ON       1
  84 #define DRM_MODE_DIRTY_ANNOTATE 2
  85
  86 struct drm_mode_modeinfo {
  87         __u32 clock;
  88         __u16 hdisplay, hsync_start, hsync_end, htotal, hskew;
  89         __u16 vdisplay, vsync_start, vsync_end, vtotal, vscan;
  90
  91         __u32 vrefresh;
  92
  93         __u32 flags;
  94         __u32 type;
  95         char name[DRM_DISPLAY_MODE_LEN];
  96 };
  97
  98 struct drm_mode_card_res {
  99         __u64 fb_id_ptr;
 100         __u64 crtc_id_ptr;
 101         __u64 connector_id_ptr;
 102         __u64 encoder_id_ptr;
 103         __u32 count_fbs;
 104         __u32 count_crtcs;
 105         __u32 count_connectors;
 106         __u32 count_encoders;
 107         __u32 min_width, max_width;
 108         __u32 min_height, max_height;
 109 };
 110
 111 struct drm_mode_crtc {
 112         __u64 set_connectors_ptr;
 113         __u32 count_connectors;
 114
 115         __u32 crtc_id; /**< Id */
 116         __u32 fb_id; /**< Id of framebuffer */
 117
 118         __u32 x, y; /**< Position on the frameuffer */
 119
 120         __u32 gamma_size;
 121         __u32 mode_valid;
 122         struct drm_mode_modeinfo mode;
 123 };
 124
 125 #define DRM_MODE_PRESENT_TOP_FIELD      (1<<0)
 126 #define DRM_MODE_PRESENT_BOTTOM_FIELD   (1<<1)
 127
 128 /* Planes blend with or override other bits on the CRTC */
 129 struct drm_mode_set_plane {
 130         __u32 plane_id;
 131         __u32 crtc_id;
 132         __u32 fb_id; /* fb object contains surface format type */
 133         __u32 flags; /* see above flags */
 134
 135         /* Signed dest location allows it to be partially off screen */
 136         __s32 crtc_x, crtc_y;
 137         __u32 crtc_w, crtc_h;
 138
 139         /* Source values are 16.16 fixed point */
 140         __u32 src_x, src_y;
 141         __u32 src_h, src_w;
 142 };
 143
 144 struct drm_mode_get_plane {
 145         __u32 plane_id;
 146
 147         __u32 crtc_id;
 148         __u32 fb_id;
 149
 150         __u32 possible_crtcs;
 151         __u32 gamma_size;
 152
 153         __u32 count_format_types;
 154         __u64 format_type_ptr;
 155 };
 156
 157 struct drm_mode_get_plane_res {
 158         __u64 plane_id_ptr;
 159         __u32 count_planes;
 160 };
 161
 162 #define DRM_MODE_ENCODER_NONE   0
 163 #define DRM_MODE_ENCODER_DAC    1
 164 #define DRM_MODE_ENCODER_TMDS   2
 165 #define DRM_MODE_ENCODER_LVDS   3
 166 #define DRM_MODE_ENCODER_TVDAC  4
 167 #define DRM_MODE_ENCODER_VIRTUAL 5
 168
 169 struct drm_mode_get_encoder {
 170         __u32 encoder_id;
 171         __u32 encoder_type;
 172
 173         __u32 crtc_id; /**< Id of crtc */
 174
 175         __u32 possible_crtcs;
 176         __u32 possible_clones;
 177 };
 178
 179 /* This is for connectors with multiple signal types. */
 180 /* Try to match DRM_MODE_CONNECTOR_X as closely as possible. */
 181 #define DRM_MODE_SUBCONNECTOR_Automatic 0
 182 #define DRM_MODE_SUBCONNECTOR_Unknown   0
 183 #define DRM_MODE_SUBCONNECTOR_DVID      3
 184 #define DRM_MODE_SUBCONNECTOR_DVIA      4
 185 #define DRM_MODE_SUBCONNECTOR_Composite 5
 186 #define DRM_MODE_SUBCONNECTOR_SVIDEO    6
 187 #define DRM_MODE_SUBCONNECTOR_Component 8
 188 #define DRM_MODE_SUBCONNECTOR_SCART     9
 189
 190 #define DRM_MODE_CONNECTOR_Unknown      0
 191 #define DRM_MODE_CONNECTOR_VGA          1
 192 #define DRM_MODE_CONNECTOR_DVII         2
 193 #define DRM_MODE_CONNECTOR_DVID         3
 194 #define DRM_MODE_CONNECTOR_DVIA         4
 195 #define DRM_MODE_CONNECTOR_Composite    5
 196 #define DRM_MODE_CONNECTOR_SVIDEO       6
 197 #define DRM_MODE_CONNECTOR_LVDS         7
 198 #define DRM_MODE_CONNECTOR_Component    8
 199 #define DRM_MODE_CONNECTOR_9PinDIN      9
 200 #define DRM_MODE_CONNECTOR_DisplayPort  10
 201 #define DRM_MODE_CONNECTOR_HDMIA        11
 202 #define DRM_MODE_CONNECTOR_HDMIB        12
 203 #define DRM_MODE_CONNECTOR_TV           13
 204 #define DRM_MODE_CONNECTOR_eDP          14
 205 #define DRM_MODE_CONNECTOR_VIRTUAL      15
 206
 207 struct drm_mode_get_connector {
 208
 209         __u64 encoders_ptr;
 210         __u64 modes_ptr;
 211         __u64 props_ptr;
 212         __u64 prop_values_ptr;
 213
 214         __u32 count_modes;
 215         __u32 count_props;
 216         __u32 count_encoders;
 217
 218         __u32 encoder_id; /**< Current Encoder */
 219         __u32 connector_id; /**< Id */
 220         __u32 connector_type;
 221         __u32 connector_type_id;
 222
 223         __u32 connection;
 224         __u32 mm_width, mm_height; /**< HxW in millimeters */
 225         __u32 subpixel;
 226 };
 227
 228 #define DRM_MODE_PROP_PENDING   (1<<0)
 229 #define DRM_MODE_PROP_RANGE     (1<<1)
 230 #define DRM_MODE_PROP_IMMUTABLE (1<<2)
 231 #define DRM_MODE_PROP_ENUM      (1<<3) /* enumerated type with text strings */
 232 #define DRM_MODE_PROP_BLOB      (1<<4)
 233 #define DRM_MODE_PROP_BITMASK   (1<<5) /* bitmask of enumerated types */
 234
 235 struct drm_mode_property_enum {
 236         __u64 value;
 237         char name[DRM_PROP_NAME_LEN];
 238 };
 239
 240 struct drm_mode_get_property {
 241         __u64 values_ptr; /* values and blob lengths */
 242         __u64 enum_blob_ptr; /* enum and blob id ptrs */
 243
 244         __u32 prop_id;
 245         __u32 flags;
 246         char name[DRM_PROP_NAME_LEN];
 247
 248         __u32 count_values;
 249         __u32 count_enum_blobs;
 250 };
 251
 252 struct drm_mode_connector_set_property {
 253         __u64 value;
 254         __u32 prop_id;
 255         __u32 connector_id;
 256 };
 257
 258 struct drm_mode_obj_get_properties {
 259         __u64 props_ptr;
 260         __u64 prop_values_ptr;
 261         __u32 count_props;
 262         __u32 obj_id;
 263         __u32 obj_type;
 264 };
 265
 266 struct drm_mode_obj_set_property {
 267         __u64 value;
 268         __u32 prop_id;
 269         __u32 obj_id;
 270         __u32 obj_type;
 271 };
 272
 273 struct drm_mode_get_blob {
 274         __u32 blob_id;
 275         __u32 length;
 276         __u64 data;
 277 };
 278
 279 struct drm_mode_fb_cmd {
 280         __u32 fb_id;
 281         __u32 width, height;
 282         __u32 pitch;
 283         __u32 bpp;
 284         __u32 depth;
 285         /* driver specific handle */
 286         __u32 handle;
 287 };
 288
 289 #define DRM_MODE_FB_INTERLACED  (1<<0) /* for interlaced framebuffers */
 290
 291 struct drm_mode_fb_cmd2 {
 292         __u32 fb_id;
 293         __u32 width, height;
 294         __u32 pixel_format; /* fourcc code from drm_fourcc.h */
 295         __u32 flags; /* see above flags */
 296
 297         /*
 298          * In case of planar formats, this ioctl allows up to 4
 299          * buffer objects with offets and pitches per plane.
 300          * The pitch and offset order is dictated by the fourcc,
 301          * e.g. NV12 (http://fourcc.org/yuv.php#NV12) is described as:
 302          *
 303          *   YUV 4:2:0 image with a plane of 8 bit Y samples
 304          *   followed by an interleaved U/V plane containing
 305          *   8 bit 2x2 subsampled colour difference samples.
 306          *
 307          * So it would consist of Y as offset[0] and UV as
 308          * offeset[1].  Note that offset[0] will generally
 309          * be 0.
 310          */
 311         __u32 handles[4];
 312         __u32 pitches[4]; /* pitch for each plane */
 313         __u32 offsets[4]; /* offset of each plane */
 314 };
 315
 316 #define DRM_MODE_FB_DIRTY_ANNOTATE_COPY 0x01
 317 #define DRM_MODE_FB_DIRTY_ANNOTATE_FILL 0x02
 318 #define DRM_MODE_FB_DIRTY_FLAGS         0x03
 319
 320 #define DRM_MODE_FB_DIRTY_MAX_CLIPS     256
 321
 322 /*
 323  * Mark a region of a framebuffer as dirty.
 324  *
 325  * Some hardware does not automatically update display contents
 326  * as a hardware or software draw to a framebuffer. This ioctl
 327  * allows userspace to tell the kernel and the hardware what
 328  * regions of the framebuffer have changed.
 329  *
 330  * The kernel or hardware is free to update more then just the
 331  * region specified by the clip rects. The kernel or hardware
 332  * may also delay and/or coalesce several calls to dirty into a
 333  * single update.
 334  *
 335  * Userspace may annotate the updates, the annotates are a
 336  * promise made by the caller that the change is either a copy
 337  * of pixels or a fill of a single color in the region specified.
 338  *
 339  * If the DRM_MODE_FB_DIRTY_ANNOTATE_COPY flag is given then
 340  * the number of updated regions are half of num_clips given,
 341  * where the clip rects are paired in src and dst. The width and
 342  * height of each one of the pairs must match.
 343  *
 344  * If the DRM_MODE_FB_DIRTY_ANNOTATE_FILL flag is given the caller
 345  * promises that the region specified of the clip rects is filled
 346  * completely with a single color as given in the color argument.
 347  */
 348
 349 struct drm_mode_fb_dirty_cmd {
 350         __u32 fb_id;
 351         __u32 flags;
 352         __u32 color;
 353         __u32 num_clips;
 354         __u64 clips_ptr;
 355 };
 356
 357 struct drm_mode_mode_cmd {
 358         __u32 connector_id;
 359         struct drm_mode_modeinfo mode;
 360 };
 361
 362 #define DRM_MODE_CURSOR_BO      0x01
 363 #define DRM_MODE_CURSOR_MOVE    0x02
 364 #define DRM_MODE_CURSOR_FLAGS   0x03
 365
 366 /*
 367  * depending on the value in flags different members are used.
 368  *
 369  * CURSOR_BO uses
 370  *    crtc
 371  *    width
 372  *    height
 373  *    handle - if 0 turns the cursor of
 374  *
 375  * CURSOR_MOVE uses
 376  *    crtc
 377  *    x
 378  *    y
 379  */
 380 struct drm_mode_cursor {
 381         __u32 flags;
 382         __u32 crtc_id;
 383         __s32 x;
 384         __s32 y;
 385         __u32 width;
 386         __u32 height;
 387         /* driver specific handle */
 388         __u32 handle;
 389 };
 390
 391 struct drm_mode_crtc_lut {
 392         __u32 crtc_id;
 393         __u32 gamma_size;
 394
 395         /* pointers to arrays */
 396         __u64 red;
 397         __u64 green;
 398         __u64 blue;
 399 };
 400
 401 #define DRM_MODE_PAGE_FLIP_EVENT 0x01
 402 #define DRM_MODE_PAGE_FLIP_FLAGS DRM_MODE_PAGE_FLIP_EVENT
 403
 404 /*
 405  * Request a page flip on the specified crtc.
 406  *
 407  * This ioctl will ask KMS to schedule a page flip for the specified
 408  * crtc.  Once any pending rendering targeting the specified fb (as of
 409  * ioctl time) has completed, the crtc will be reprogrammed to display
 410  * that fb after the next vertical refresh.  The ioctl returns
 411  * immediately, but subsequent rendering to the current fb will block
 412  * in the execbuffer ioctl until the page flip happens.  If a page
 413  * flip is already pending as the ioctl is called, EBUSY will be
 414  * returned.
 415  *
 416  * The ioctl supports one flag, DRM_MODE_PAGE_FLIP_EVENT, which will
 417  * request that drm sends back a vblank event (see drm.h: struct
 418  * drm_event_vblank) when the page flip is done.  The user_data field
 419  * passed in with this ioctl will be returned as the user_data field
 420  * in the vblank event struct.
 421  *
 422  * The reserved field must be zero until we figure out something
 423  * clever to use it for.
 424  */
 425
 426 struct drm_mode_crtc_page_flip {
 427         __u32 crtc_id;
 428         __u32 fb_id;
 429         __u32 flags;
 430         __u32 reserved;
 431         __u64 user_data;
 432 };
 433
 434 /* create a dumb scanout buffer */
 435 struct drm_mode_create_dumb {
 436         uint32_t height;
 437         uint32_t width;
 438         uint32_t bpp;
 439         uint32_t flags;
 440         /* handle, pitch, size will be returned */
 441         uint32_t handle;
 442         uint32_t pitch;
 443         uint64_t size;
 444 };
 445
 446 /* set up for mmap of a dumb scanout buffer */
 447 struct drm_mode_map_dumb {
 448         /** Handle for the object being mapped. */
 449         __u32 handle;
 450         __u32 pad;
 451         /**
 452          * Fake offset to use for subsequent mmap call
 453          *
 454          * This is a fixed-size type for 32/64 compatibility.
 455          */
 456         __u64 offset;
 457 };
 458
 459 struct drm_mode_destroy_dumb {
 460         uint32_t handle;
 461 };
 462
 463 #endif