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 * When adding a new stereo mode don't forget to adjust DRM_MODE_FLAGS_3D_MAX 63 * (define not exposed to user space). 64 */ 65#define DRM_MODE_FLAG_3D_MASK (0x1f<<14) 66#define DRM_MODE_FLAG_3D_NONE (0<<14) 67#define DRM_MODE_FLAG_3D_FRAME_PACKING (1<<14) 68#define DRM_MODE_FLAG_3D_FIELD_ALTERNATIVE (2<<14) 69#define DRM_MODE_FLAG_3D_LINE_ALTERNATIVE (3<<14) 70#define DRM_MODE_FLAG_3D_SIDE_BY_SIDE_FULL (4<<14) 71#define DRM_MODE_FLAG_3D_L_DEPTH (5<<14) 72#define DRM_MODE_FLAG_3D_L_DEPTH_GFX_GFX_DEPTH (6<<14) 73#define DRM_MODE_FLAG_3D_TOP_AND_BOTTOM (7<<14) 74#define DRM_MODE_FLAG_3D_SIDE_BY_SIDE_HALF (8<<14) 75 76 77/* DPMS flags */ 78/* bit compatible with the xorg definitions. */ 79#define DRM_MODE_DPMS_ON 0 80#define DRM_MODE_DPMS_STANDBY 1 81#define DRM_MODE_DPMS_SUSPEND 2 82#define DRM_MODE_DPMS_OFF 3 83 84/* Scaling mode options */ 85#define DRM_MODE_SCALE_NONE 0 /* Unmodified timing (display or 86 software can still scale) */ 87#define DRM_MODE_SCALE_FULLSCREEN 1 /* Full screen, ignore aspect */ 88#define DRM_MODE_SCALE_CENTER 2 /* Centered, no scaling */ 89#define DRM_MODE_SCALE_ASPECT 3 /* Full screen, preserve aspect */ 90 91/* Picture aspect ratio options */ 92#define DRM_MODE_PICTURE_ASPECT_NONE 0 93#define DRM_MODE_PICTURE_ASPECT_4_3 1 94#define DRM_MODE_PICTURE_ASPECT_16_9 2 95 96/* Dithering mode options */ 97#define DRM_MODE_DITHERING_OFF 0 98#define DRM_MODE_DITHERING_ON 1 99#define DRM_MODE_DITHERING_AUTO 2 100 101/* Dirty info options */ 102#define DRM_MODE_DIRTY_OFF 0 103#define DRM_MODE_DIRTY_ON 1 104#define DRM_MODE_DIRTY_ANNOTATE 2 105 106struct drm_mode_modeinfo { 107 __u32 clock; 108 __u16 hdisplay, hsync_start, hsync_end, htotal, hskew; 109 __u16 vdisplay, vsync_start, vsync_end, vtotal, vscan; 110 111 __u32 vrefresh; 112 113 __u32 flags; 114 __u32 type; 115 char name[DRM_DISPLAY_MODE_LEN]; 116}; 117 118struct drm_mode_card_res { 119 __u64 fb_id_ptr; 120 __u64 crtc_id_ptr; 121 __u64 connector_id_ptr; 122 __u64 encoder_id_ptr; 123 __u32 count_fbs; 124 __u32 count_crtcs; 125 __u32 count_connectors; 126 __u32 count_encoders; 127 __u32 min_width, max_width; 128 __u32 min_height, max_height; 129}; 130 131struct drm_mode_crtc { 132 __u64 set_connectors_ptr; 133 __u32 count_connectors; 134 135 __u32 crtc_id; /**< Id */ 136 __u32 fb_id; /**< Id of framebuffer */ 137 138 __u32 x, y; /**< Position on the frameuffer */ 139 140 __u32 gamma_size; 141 __u32 mode_valid; 142 struct drm_mode_modeinfo mode; 143}; 144 145#define DRM_MODE_PRESENT_TOP_FIELD (1<<0) 146#define DRM_MODE_PRESENT_BOTTOM_FIELD (1<<1) 147 148/* Planes blend with or override other bits on the CRTC */ 149struct drm_mode_set_plane { 150 __u32 plane_id; 151 __u32 crtc_id; 152 __u32 fb_id; /* fb object contains surface format type */ 153 __u32 flags; /* see above flags */ 154 155 /* Signed dest location allows it to be partially off screen */ 156 __s32 crtc_x, crtc_y; 157 __u32 crtc_w, crtc_h; 158 159 /* Source values are 16.16 fixed point */ 160 __u32 src_x, src_y; 161 __u32 src_h, src_w; 162}; 163 164struct drm_mode_get_plane { 165 __u32 plane_id; 166 167 __u32 crtc_id; 168 __u32 fb_id; 169 170 __u32 possible_crtcs; 171 __u32 gamma_size; 172 173 __u32 count_format_types; 174 __u64 format_type_ptr; 175}; 176 177struct drm_mode_get_plane_res { 178 __u64 plane_id_ptr; 179 __u32 count_planes; 180}; 181 182#define DRM_MODE_ENCODER_NONE 0 183#define DRM_MODE_ENCODER_DAC 1 184#define DRM_MODE_ENCODER_TMDS 2 185#define DRM_MODE_ENCODER_LVDS 3 186#define DRM_MODE_ENCODER_TVDAC 4 187#define DRM_MODE_ENCODER_VIRTUAL 5 188#define DRM_MODE_ENCODER_DSI 6 189#define DRM_MODE_ENCODER_DPMST 7 190 191struct drm_mode_get_encoder { 192 __u32 encoder_id; 193 __u32 encoder_type; 194 195 __u32 crtc_id; /**< Id of crtc */ 196 197 __u32 possible_crtcs; 198 __u32 possible_clones; 199}; 200 201/* This is for connectors with multiple signal types. */ 202/* Try to match DRM_MODE_CONNECTOR_X as closely as possible. */ 203#define DRM_MODE_SUBCONNECTOR_Automatic 0 204#define DRM_MODE_SUBCONNECTOR_Unknown 0 205#define DRM_MODE_SUBCONNECTOR_DVID 3 206#define DRM_MODE_SUBCONNECTOR_DVIA 4 207#define DRM_MODE_SUBCONNECTOR_Composite 5 208#define DRM_MODE_SUBCONNECTOR_SVIDEO 6 209#define DRM_MODE_SUBCONNECTOR_Component 8 210#define DRM_MODE_SUBCONNECTOR_SCART 9 211 212#define DRM_MODE_CONNECTOR_Unknown 0 213#define DRM_MODE_CONNECTOR_VGA 1 214#define DRM_MODE_CONNECTOR_DVII 2 215#define DRM_MODE_CONNECTOR_DVID 3 216#define DRM_MODE_CONNECTOR_DVIA 4 217#define DRM_MODE_CONNECTOR_Composite 5 218#define DRM_MODE_CONNECTOR_SVIDEO 6 219#define DRM_MODE_CONNECTOR_LVDS 7 220#define DRM_MODE_CONNECTOR_Component 8 221#define DRM_MODE_CONNECTOR_9PinDIN 9 222#define DRM_MODE_CONNECTOR_DisplayPort 10 223#define DRM_MODE_CONNECTOR_HDMIA 11 224#define DRM_MODE_CONNECTOR_HDMIB 12 225#define DRM_MODE_CONNECTOR_TV 13 226#define DRM_MODE_CONNECTOR_eDP 14 227#define DRM_MODE_CONNECTOR_VIRTUAL 15 228#define DRM_MODE_CONNECTOR_DSI 16 229 230struct drm_mode_get_connector { 231 232 __u64 encoders_ptr; 233 __u64 modes_ptr; 234 __u64 props_ptr; 235 __u64 prop_values_ptr; 236 237 __u32 count_modes; 238 __u32 count_props; 239 __u32 count_encoders; 240 241 __u32 encoder_id; /**< Current Encoder */ 242 __u32 connector_id; /**< Id */ 243 __u32 connector_type; 244 __u32 connector_type_id; 245 246 __u32 connection; 247 __u32 mm_width, mm_height; /**< HxW in millimeters */ 248 __u32 subpixel; 249 250 __u32 pad; 251}; 252 253#define DRM_MODE_PROP_PENDING (1<<0) 254#define DRM_MODE_PROP_RANGE (1<<1) 255#define DRM_MODE_PROP_IMMUTABLE (1<<2) 256#define DRM_MODE_PROP_ENUM (1<<3) /* enumerated type with text strings */ 257#define DRM_MODE_PROP_BLOB (1<<4) 258#define DRM_MODE_PROP_BITMASK (1<<5) /* bitmask of enumerated types */ 259 260/* non-extended types: legacy bitmask, one bit per type: */ 261#define DRM_MODE_PROP_LEGACY_TYPE ( \ 262 DRM_MODE_PROP_RANGE | \ 263 DRM_MODE_PROP_ENUM | \ 264 DRM_MODE_PROP_BLOB | \ 265 DRM_MODE_PROP_BITMASK) 266 267/* extended-types: rather than continue to consume a bit per type, 268 * grab a chunk of the bits to use as integer type id. 269 */ 270#define DRM_MODE_PROP_EXTENDED_TYPE 0x0000ffc0 271#define DRM_MODE_PROP_TYPE(n) ((n) << 6) 272#define DRM_MODE_PROP_OBJECT DRM_MODE_PROP_TYPE(1) 273#define DRM_MODE_PROP_SIGNED_RANGE DRM_MODE_PROP_TYPE(2) 274 275/* the PROP_ATOMIC flag is used to hide properties from userspace that 276 * is not aware of atomic properties. This is mostly to work around 277 * older userspace (DDX drivers) that read/write each prop they find, 278 * witout being aware that this could be triggering a lengthy modeset. 279 */ 280#define DRM_MODE_PROP_ATOMIC 0x80000000 281 282struct drm_mode_property_enum { 283 __u64 value; 284 char name[DRM_PROP_NAME_LEN]; 285}; 286 287struct drm_mode_get_property { 288 __u64 values_ptr; /* values and blob lengths */ 289 __u64 enum_blob_ptr; /* enum and blob id ptrs */ 290 291 __u32 prop_id; 292 __u32 flags; 293 char name[DRM_PROP_NAME_LEN]; 294 295 __u32 count_values; 296 /* This is only used to count enum values, not blobs. The _blobs is 297 * simply because of a historical reason, i.e. backwards compat. */ 298 __u32 count_enum_blobs; 299}; 300 301struct drm_mode_connector_set_property { 302 __u64 value; 303 __u32 prop_id; 304 __u32 connector_id; 305}; 306 307struct drm_mode_obj_get_properties { 308 __u64 props_ptr; 309 __u64 prop_values_ptr; 310 __u32 count_props; 311 __u32 obj_id; 312 __u32 obj_type; 313}; 314 315struct drm_mode_obj_set_property { 316 __u64 value; 317 __u32 prop_id; 318 __u32 obj_id; 319 __u32 obj_type; 320}; 321 322struct drm_mode_get_blob { 323 __u32 blob_id; 324 __u32 length; 325 __u64 data; 326}; 327 328struct drm_mode_fb_cmd { 329 __u32 fb_id; 330 __u32 width, height; 331 __u32 pitch; 332 __u32 bpp; 333 __u32 depth; 334 /* driver specific handle */ 335 __u32 handle; 336}; 337 338#define DRM_MODE_FB_INTERLACED (1<<0) /* for interlaced framebuffers */ 339#define DRM_MODE_FB_MODIFIERS (1<<1) /* enables ->modifer[] */ 340 341struct drm_mode_fb_cmd2 { 342 __u32 fb_id; 343 __u32 width, height; 344 __u32 pixel_format; /* fourcc code from drm_fourcc.h */ 345 __u32 flags; /* see above flags */ 346 347 /* 348 * In case of planar formats, this ioctl allows up to 4 349 * buffer objects with offsets and pitches per plane. 350 * The pitch and offset order is dictated by the fourcc, 351 * e.g. NV12 (http://fourcc.org/yuv.php#NV12) is described as: 352 * 353 * YUV 4:2:0 image with a plane of 8 bit Y samples 354 * followed by an interleaved U/V plane containing 355 * 8 bit 2x2 subsampled colour difference samples. 356 * 357 * So it would consist of Y as offsets[0] and UV as 358 * offsets[1]. Note that offsets[0] will generally 359 * be 0 (but this is not required). 360 * 361 * To accommodate tiled, compressed, etc formats, a per-plane 362 * modifier can be specified. The default value of zero 363 * indicates "native" format as specified by the fourcc. 364 * Vendor specific modifier token. This allows, for example, 365 * different tiling/swizzling pattern on different planes. 366 * See discussion above of DRM_FORMAT_MOD_xxx. 367 */ 368 __u32 handles[4]; 369 __u32 pitches[4]; /* pitch for each plane */ 370 __u32 offsets[4]; /* offset of each plane */ 371 __u64 modifier[4]; /* ie, tiling, compressed (per plane) */ 372}; 373 374#define DRM_MODE_FB_DIRTY_ANNOTATE_COPY 0x01 375#define DRM_MODE_FB_DIRTY_ANNOTATE_FILL 0x02 376#define DRM_MODE_FB_DIRTY_FLAGS 0x03 377 378#define DRM_MODE_FB_DIRTY_MAX_CLIPS 256 379 380/* 381 * Mark a region of a framebuffer as dirty. 382 * 383 * Some hardware does not automatically update display contents 384 * as a hardware or software draw to a framebuffer. This ioctl 385 * allows userspace to tell the kernel and the hardware what 386 * regions of the framebuffer have changed. 387 * 388 * The kernel or hardware is free to update more then just the 389 * region specified by the clip rects. The kernel or hardware 390 * may also delay and/or coalesce several calls to dirty into a 391 * single update. 392 * 393 * Userspace may annotate the updates, the annotates are a 394 * promise made by the caller that the change is either a copy 395 * of pixels or a fill of a single color in the region specified. 396 * 397 * If the DRM_MODE_FB_DIRTY_ANNOTATE_COPY flag is given then 398 * the number of updated regions are half of num_clips given, 399 * where the clip rects are paired in src and dst. The width and 400 * height of each one of the pairs must match. 401 * 402 * If the DRM_MODE_FB_DIRTY_ANNOTATE_FILL flag is given the caller 403 * promises that the region specified of the clip rects is filled 404 * completely with a single color as given in the color argument. 405 */ 406 407struct drm_mode_fb_dirty_cmd { 408 __u32 fb_id; 409 __u32 flags; 410 __u32 color; 411 __u32 num_clips; 412 __u64 clips_ptr; 413}; 414 415struct drm_mode_mode_cmd { 416 __u32 connector_id; 417 struct drm_mode_modeinfo mode; 418}; 419 420#define DRM_MODE_CURSOR_BO 0x01 421#define DRM_MODE_CURSOR_MOVE 0x02 422#define DRM_MODE_CURSOR_FLAGS 0x03 423 424/* 425 * depending on the value in flags different members are used. 426 * 427 * CURSOR_BO uses 428 * crtc_id 429 * width 430 * height 431 * handle - if 0 turns the cursor off 432 * 433 * CURSOR_MOVE uses 434 * crtc_id 435 * x 436 * y 437 */ 438struct drm_mode_cursor { 439 __u32 flags; 440 __u32 crtc_id; 441 __s32 x; 442 __s32 y; 443 __u32 width; 444 __u32 height; 445 /* driver specific handle */ 446 __u32 handle; 447}; 448 449struct drm_mode_cursor2 { 450 __u32 flags; 451 __u32 crtc_id; 452 __s32 x; 453 __s32 y; 454 __u32 width; 455 __u32 height; 456 /* driver specific handle */ 457 __u32 handle; 458 __s32 hot_x; 459 __s32 hot_y; 460}; 461 462struct drm_mode_crtc_lut { 463 __u32 crtc_id; 464 __u32 gamma_size; 465 466 /* pointers to arrays */ 467 __u64 red; 468 __u64 green; 469 __u64 blue; 470}; 471 472#define DRM_MODE_PAGE_FLIP_EVENT 0x01 473#define DRM_MODE_PAGE_FLIP_ASYNC 0x02 474#define DRM_MODE_PAGE_FLIP_FLAGS (DRM_MODE_PAGE_FLIP_EVENT|DRM_MODE_PAGE_FLIP_ASYNC) 475 476/* 477 * Request a page flip on the specified crtc. 478 * 479 * This ioctl will ask KMS to schedule a page flip for the specified 480 * crtc. Once any pending rendering targeting the specified fb (as of 481 * ioctl time) has completed, the crtc will be reprogrammed to display 482 * that fb after the next vertical refresh. The ioctl returns 483 * immediately, but subsequent rendering to the current fb will block 484 * in the execbuffer ioctl until the page flip happens. If a page 485 * flip is already pending as the ioctl is called, EBUSY will be 486 * returned. 487 * 488 * Flag DRM_MODE_PAGE_FLIP_EVENT requests that drm sends back a vblank 489 * event (see drm.h: struct drm_event_vblank) when the page flip is 490 * done. The user_data field passed in with this ioctl will be 491 * returned as the user_data field in the vblank event struct. 492 * 493 * Flag DRM_MODE_PAGE_FLIP_ASYNC requests that the flip happen 494 * 'as soon as possible', meaning that it not delay waiting for vblank. 495 * This may cause tearing on the screen. 496 * 497 * The reserved field must be zero until we figure out something 498 * clever to use it for. 499 */ 500 501struct drm_mode_crtc_page_flip { 502 __u32 crtc_id; 503 __u32 fb_id; 504 __u32 flags; 505 __u32 reserved; 506 __u64 user_data; 507}; 508 509/* create a dumb scanout buffer */ 510struct drm_mode_create_dumb { 511 uint32_t height; 512 uint32_t width; 513 uint32_t bpp; 514 uint32_t flags; 515 /* handle, pitch, size will be returned */ 516 uint32_t handle; 517 uint32_t pitch; 518 uint64_t size; 519}; 520 521/* set up for mmap of a dumb scanout buffer */ 522struct drm_mode_map_dumb { 523 /** Handle for the object being mapped. */ 524 __u32 handle; 525 __u32 pad; 526 /** 527 * Fake offset to use for subsequent mmap call 528 * 529 * This is a fixed-size type for 32/64 compatibility. 530 */ 531 __u64 offset; 532}; 533 534struct drm_mode_destroy_dumb { 535 uint32_t handle; 536}; 537 538/* page-flip flags are valid, plus: */ 539#define DRM_MODE_ATOMIC_TEST_ONLY 0x0100 540#define DRM_MODE_ATOMIC_NONBLOCK 0x0200 541#define DRM_MODE_ATOMIC_ALLOW_MODESET 0x0400 542 543#define DRM_MODE_ATOMIC_FLAGS (\ 544 DRM_MODE_PAGE_FLIP_EVENT |\ 545 DRM_MODE_PAGE_FLIP_ASYNC |\ 546 DRM_MODE_ATOMIC_TEST_ONLY |\ 547 DRM_MODE_ATOMIC_NONBLOCK |\ 548 DRM_MODE_ATOMIC_ALLOW_MODESET) 549 550struct drm_mode_atomic { 551 __u32 flags; 552 __u32 count_objs; 553 __u64 objs_ptr; 554 __u64 count_props_ptr; 555 __u64 props_ptr; 556 __u64 prop_values_ptr; 557 __u64 reserved; 558 __u64 user_data; 559}; 560 561#endif 562