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