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_ENCODER_NONE    0
 124 #define DRM_MODE_ENCODER_DAC     1
 125 #define DRM_MODE_ENCODER_TMDS    2
 126 #define DRM_MODE_ENCODER_LVDS    3
 127 #define DRM_MODE_ENCODER_TVDAC   4
 128 #define DRM_MODE_ENCODER_VIRTUAL 5
 129
 130 struct drm_mode_get_encoder {
 131         __u32 encoder_id;
 132         __u32 encoder_type;
 133
 134         __u32 crtc_id; /**< Id of crtc */
 135
 136         __u32 possible_crtcs;
 137         __u32 possible_clones;
 138 };
 139
 140 /* This is for connectors with multiple signal types. */
 141 /* Try to match DRM_MODE_CONNECTOR_X as closely as possible. */
 142 #define DRM_MODE_SUBCONNECTOR_Automatic 0
 143 #define DRM_MODE_SUBCONNECTOR_Unknown   0
 144 #define DRM_MODE_SUBCONNECTOR_DVID      3
 145 #define DRM_MODE_SUBCONNECTOR_DVIA      4
 146 #define DRM_MODE_SUBCONNECTOR_Composite 5
 147 #define DRM_MODE_SUBCONNECTOR_SVIDEO    6
 148 #define DRM_MODE_SUBCONNECTOR_Component 8
 149 #define DRM_MODE_SUBCONNECTOR_SCART     9
 150
 151 #define DRM_MODE_CONNECTOR_Unknown      0
 152 #define DRM_MODE_CONNECTOR_VGA          1
 153 #define DRM_MODE_CONNECTOR_DVII         2
 154 #define DRM_MODE_CONNECTOR_DVID         3
 155 #define DRM_MODE_CONNECTOR_DVIA         4
 156 #define DRM_MODE_CONNECTOR_Composite    5
 157 #define DRM_MODE_CONNECTOR_SVIDEO       6
 158 #define DRM_MODE_CONNECTOR_LVDS         7
 159 #define DRM_MODE_CONNECTOR_Component    8
 160 #define DRM_MODE_CONNECTOR_9PinDIN      9
 161 #define DRM_MODE_CONNECTOR_DisplayPort  10
 162 #define DRM_MODE_CONNECTOR_HDMIA        11
 163 #define DRM_MODE_CONNECTOR_HDMIB        12
 164 #define DRM_MODE_CONNECTOR_TV           13
 165 #define DRM_MODE_CONNECTOR_eDP          14
 166 #define DRM_MODE_CONNECTOR_VIRTUAL      15
 167
 168 struct drm_mode_get_connector {
 169
 170         __u64 encoders_ptr;
 171         __u64 modes_ptr;
 172         __u64 props_ptr;
 173         __u64 prop_values_ptr;
 174
 175         __u32 count_modes;
 176         __u32 count_props;
 177         __u32 count_encoders;
 178
 179         __u32 encoder_id; /**< Current Encoder */
 180         __u32 connector_id; /**< Id */
 181         __u32 connector_type;
 182         __u32 connector_type_id;
 183
 184         __u32 connection;
 185         __u32 mm_width, mm_height; /**< HxW in millimeters */
 186         __u32 subpixel;
 187 };
 188
 189 #define DRM_MODE_PROP_PENDING   (1<<0)
 190 #define DRM_MODE_PROP_RANGE     (1<<1)
 191 #define DRM_MODE_PROP_IMMUTABLE (1<<2)
 192 #define DRM_MODE_PROP_ENUM      (1<<3) /* enumerated type with text strings */
 193 #define DRM_MODE_PROP_BLOB      (1<<4)
 194
 195 struct drm_mode_property_enum {
 196         __u64 value;
 197         char name[DRM_PROP_NAME_LEN];
 198 };
 199
 200 struct drm_mode_get_property {
 201         __u64 values_ptr; /* values and blob lengths */
 202         __u64 enum_blob_ptr; /* enum and blob id ptrs */
 203
 204         __u32 prop_id;
 205         __u32 flags;
 206         char name[DRM_PROP_NAME_LEN];
 207
 208         __u32 count_values;
 209         __u32 count_enum_blobs;
 210 };
 211
 212 struct drm_mode_connector_set_property {
 213         __u64 value;
 214         __u32 prop_id;
 215         __u32 connector_id;
 216 };
 217
 218 struct drm_mode_get_blob {
 219         __u32 blob_id;
 220         __u32 length;
 221         __u64 data;
 222 };
 223
 224 struct drm_mode_fb_cmd {
 225         __u32 fb_id;
 226         __u32 width, height;
 227         __u32 pitch;
 228         __u32 bpp;
 229         __u32 depth;
 230         /* driver specific handle */
 231         __u32 handle;
 232 };
 233
 234 #define DRM_MODE_FB_DIRTY_ANNOTATE_COPY 0x01
 235 #define DRM_MODE_FB_DIRTY_ANNOTATE_FILL 0x02
 236 #define DRM_MODE_FB_DIRTY_FLAGS         0x03
 237
 238 #define DRM_MODE_FB_DIRTY_MAX_CLIPS     256
 239
 240 /*
 241  * Mark a region of a framebuffer as dirty.
 242  *
 243  * Some hardware does not automatically update display contents
 244  * as a hardware or software draw to a framebuffer. This ioctl
 245  * allows userspace to tell the kernel and the hardware what
 246  * regions of the framebuffer have changed.
 247  *
 248  * The kernel or hardware is free to update more then just the
 249  * region specified by the clip rects. The kernel or hardware
 250  * may also delay and/or coalesce several calls to dirty into a
 251  * single update.
 252  *
 253  * Userspace may annotate the updates, the annotates are a
 254  * promise made by the caller that the change is either a copy
 255  * of pixels or a fill of a single color in the region specified.
 256  *
 257  * If the DRM_MODE_FB_DIRTY_ANNOTATE_COPY flag is given then
 258  * the number of updated regions are half of num_clips given,
 259  * where the clip rects are paired in src and dst. The width and
 260  * height of each one of the pairs must match.
 261  *
 262  * If the DRM_MODE_FB_DIRTY_ANNOTATE_FILL flag is given the caller
 263  * promises that the region specified of the clip rects is filled
 264  * completely with a single color as given in the color argument.
 265  */
 266
 267 struct drm_mode_fb_dirty_cmd {
 268         __u32 fb_id;
 269         __u32 flags;
 270         __u32 color;
 271         __u32 num_clips;
 272         __u64 clips_ptr;
 273 };
 274
 275 struct drm_mode_mode_cmd {
 276         __u32 connector_id;
 277         struct drm_mode_modeinfo mode;
 278 };
 279
 280 #define DRM_MODE_CURSOR_BO      (1<<0)
 281 #define DRM_MODE_CURSOR_MOVE    (1<<1)
 282
 283 /*
 284  * depending on the value in flags different members are used.
 285  *
 286  * CURSOR_BO uses
 287  *    crtc
 288  *    width
 289  *    height
 290  *    handle - if 0 turns the cursor of
 291  *
 292  * CURSOR_MOVE uses
 293  *    crtc
 294  *    x
 295  *    y
 296  */
 297 struct drm_mode_cursor {
 298         __u32 flags;
 299         __u32 crtc_id;
 300         __s32 x;
 301         __s32 y;
 302         __u32 width;
 303         __u32 height;
 304         /* driver specific handle */
 305         __u32 handle;
 306 };
 307
 308 struct drm_mode_crtc_lut {
 309         __u32 crtc_id;
 310         __u32 gamma_size;
 311
 312         /* pointers to arrays */
 313         __u64 red;
 314         __u64 green;
 315         __u64 blue;
 316 };
 317
 318 #define DRM_MODE_PAGE_FLIP_EVENT 0x01
 319 #define DRM_MODE_PAGE_FLIP_FLAGS DRM_MODE_PAGE_FLIP_EVENT
 320
 321 /*
 322  * Request a page flip on the specified crtc.
 323  *
 324  * This ioctl will ask KMS to schedule a page flip for the specified
 325  * crtc.  Once any pending rendering targeting the specified fb (as of
 326  * ioctl time) has completed, the crtc will be reprogrammed to display
 327  * that fb after the next vertical refresh.  The ioctl returns
 328  * immediately, but subsequent rendering to the current fb will block
 329  * in the execbuffer ioctl until the page flip happens.  If a page
 330  * flip is already pending as the ioctl is called, EBUSY will be
 331  * returned.
 332  *
 333  * The ioctl supports one flag, DRM_MODE_PAGE_FLIP_EVENT, which will
 334  * request that drm sends back a vblank event (see drm.h: struct
 335  * drm_event_vblank) when the page flip is done.  The user_data field
 336  * passed in with this ioctl will be returned as the user_data field
 337  * in the vblank event struct.
 338  *
 339  * The reserved field must be zero until we figure out something
 340  * clever to use it for.
 341  */
 342
 343 struct drm_mode_crtc_page_flip {
 344         __u32 crtc_id;
 345         __u32 fb_id;
 346         __u32 flags;
 347         __u32 reserved;
 348         __u64 user_data;
 349 };
 350
 351 /* create a dumb scanout buffer */
 352 struct drm_mode_create_dumb {
 353         uint32_t height;
 354         uint32_t width;
 355         uint32_t bpp;
 356         uint32_t flags;
 357         /* handle, pitch, size will be returned */
 358         uint32_t handle;
 359         uint32_t pitch;
 360         uint64_t size;
 361 };
 362
 363 /* set up for mmap of a dumb scanout buffer */
 364 struct drm_mode_map_dumb {
 365         /** Handle for the object being mapped. */
 366         __u32 handle;
 367         __u32 pad;
 368         /**
 369          * Fake offset to use for subsequent mmap call
 370          *
 371          * This is a fixed-size type for 32/64 compatibility.
 372          */
 373         __u64 offset;
 374 };
 375
 376 struct drm_mode_destroy_dumb {
 377         uint32_t handle;
 378 };
 379
 380 #endif