1 /* 2 * \file xf86drmMode.h 3 * Header for DRM modesetting interface. 4 * 5 * \author Jakob Bornecrantz <wallbraker (at) gmail.com> 6 * 7 * \par Acknowledgements: 8 * Feb 2007, Dave Airlie <airlied (at) linux.ie> 9 */ 10 11 /* 12 * Copyright (c) 2007-2008 Tungsten Graphics, Inc., Cedar Park, Texas. 13 * Copyright (c) 2007-2008 Dave Airlie <airlied (at) linux.ie> 14 * Copyright (c) 2007-2008 Jakob Bornecrantz <wallbraker (at) gmail.com> 15 * 16 * Permission is hereby granted, free of charge, to any person obtaining a 17 * copy of this software and associated documentation files (the "Software"), 18 * to deal in the Software without restriction, including without limitation 19 * the rights to use, copy, modify, merge, publish, distribute, sublicense, 20 * and/or sell copies of the Software, and to permit persons to whom the 21 * Software is furnished to do so, subject to the following conditions: 22 * 23 * The above copyright notice and this permission notice shall be included in 24 * all copies or substantial portions of the Software. 25 * 26 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 27 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 28 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE 29 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 30 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING 31 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS 32 * IN THE SOFTWARE. 33 * 34 */ 35 36 #ifndef _XF86DRMMODE_H_ 37 #define _XF86DRMMODE_H_ 38 39 #if defined(__cplusplus) 40 extern "C" { 41 #endif 42 43 #include <drm.h> 44 45 /* 46 * This is the interface for modesetting for drm. 47 * 48 * In order to use this interface you must include either <stdint.h> or another 49 * header defining uint32_t, int32_t and uint16_t. 50 * 51 * It aims to provide a randr1.2 compatible interface for modesettings in the 52 * kernel, the interface is also ment to be used by libraries like EGL. 53 * 54 * More information can be found in randrproto.txt which can be found here: 55 * http://gitweb.freedesktop.org/?p=xorg/proto/randrproto.git 56 * 57 * There are some major diffrences to be noted. Unlike the randr1.2 proto you 58 * need to create the memory object of the framebuffer yourself with the ttm 59 * buffer object interface. This object needs to be pinned. 60 */ 61 62 /* 63 * If we pickup an old version of drm.h which doesn't include drm_mode.h 64 * we should redefine defines. This is so that builds doesn't breaks with 65 * new libdrm on old kernels. 66 */ 67 #ifndef _DRM_MODE_H 68 69 #define DRM_DISPLAY_INFO_LEN 32 70 #define DRM_CONNECTOR_NAME_LEN 32 71 #define DRM_DISPLAY_MODE_LEN 32 72 #define DRM_PROP_NAME_LEN 32 73 74 #define DRM_MODE_TYPE_BUILTIN (1<<0) 75 #define DRM_MODE_TYPE_CLOCK_C ((1<<1) | DRM_MODE_TYPE_BUILTIN) 76 #define DRM_MODE_TYPE_CRTC_C ((1<<2) | DRM_MODE_TYPE_BUILTIN) 77 #define DRM_MODE_TYPE_PREFERRED (1<<3) 78 #define DRM_MODE_TYPE_DEFAULT (1<<4) 79 #define DRM_MODE_TYPE_USERDEF (1<<5) 80 #define DRM_MODE_TYPE_DRIVER (1<<6) 81 82 /* Video mode flags */ 83 /* bit compatible with the xorg definitions. */ 84 #define DRM_MODE_FLAG_PHSYNC (1<<0) 85 #define DRM_MODE_FLAG_NHSYNC (1<<1) 86 #define DRM_MODE_FLAG_PVSYNC (1<<2) 87 #define DRM_MODE_FLAG_NVSYNC (1<<3) 88 #define DRM_MODE_FLAG_INTERLACE (1<<4) 89 #define DRM_MODE_FLAG_DBLSCAN (1<<5) 90 #define DRM_MODE_FLAG_CSYNC (1<<6) 91 #define DRM_MODE_FLAG_PCSYNC (1<<7) 92 #define DRM_MODE_FLAG_NCSYNC (1<<8) 93 #define DRM_MODE_FLAG_HSKEW (1<<9) /* hskew provided */ 94 #define DRM_MODE_FLAG_BCAST (1<<10) 95 #define DRM_MODE_FLAG_PIXMUX (1<<11) 96 #define DRM_MODE_FLAG_DBLCLK (1<<12) 97 #define DRM_MODE_FLAG_CLKDIV2 (1<<13) 98 #define DRM_MODE_FLAG_3D_MASK (0x1f<<14) 99 #define DRM_MODE_FLAG_3D_NONE (0<<14) 100 #define DRM_MODE_FLAG_3D_FRAME_PACKING (1<<14) 101 #define DRM_MODE_FLAG_3D_FIELD_ALTERNATIVE (2<<14) 102 #define DRM_MODE_FLAG_3D_LINE_ALTERNATIVE (3<<14) 103 #define DRM_MODE_FLAG_3D_SIDE_BY_SIDE_FULL (4<<14) 104 #define DRM_MODE_FLAG_3D_L_DEPTH (5<<14) 105 #define DRM_MODE_FLAG_3D_L_DEPTH_GFX_GFX_DEPTH (6<<14) 106 #define DRM_MODE_FLAG_3D_TOP_AND_BOTTOM (7<<14) 107 #define DRM_MODE_FLAG_3D_SIDE_BY_SIDE_HALF (8<<14) 108 109 /* DPMS flags */ 110 /* bit compatible with the xorg definitions. */ 111 #define DRM_MODE_DPMS_ON 0 112 #define DRM_MODE_DPMS_STANDBY 1 113 #define DRM_MODE_DPMS_SUSPEND 2 114 #define DRM_MODE_DPMS_OFF 3 115 116 /* Scaling mode options */ 117 #define DRM_MODE_SCALE_NON_GPU 0 118 #define DRM_MODE_SCALE_FULLSCREEN 1 119 #define DRM_MODE_SCALE_NO_SCALE 2 120 #define DRM_MODE_SCALE_ASPECT 3 121 122 /* Dithering mode options */ 123 #define DRM_MODE_DITHERING_OFF 0 124 #define DRM_MODE_DITHERING_ON 1 125 126 #define DRM_MODE_ENCODER_NONE 0 127 #define DRM_MODE_ENCODER_DAC 1 128 #define DRM_MODE_ENCODER_TMDS 2 129 #define DRM_MODE_ENCODER_LVDS 3 130 #define DRM_MODE_ENCODER_TVDAC 4 131 #define DRM_MODE_ENCODER_VIRTUAL 5 132 #define DRM_MODE_ENCODER_DSI 6 133 #define DRM_MODE_ENCODER_DPMST 7 134 #define DRM_MODE_ENCODER_DPI 8 135 136 #define DRM_MODE_SUBCONNECTOR_Automatic 0 137 #define DRM_MODE_SUBCONNECTOR_Unknown 0 138 #define DRM_MODE_SUBCONNECTOR_DVID 3 139 #define DRM_MODE_SUBCONNECTOR_DVIA 4 140 #define DRM_MODE_SUBCONNECTOR_Composite 5 141 #define DRM_MODE_SUBCONNECTOR_SVIDEO 6 142 #define DRM_MODE_SUBCONNECTOR_Component 8 143 #define DRM_MODE_SUBCONNECTOR_SCART 9 144 145 #define DRM_MODE_CONNECTOR_Unknown 0 146 #define DRM_MODE_CONNECTOR_VGA 1 147 #define DRM_MODE_CONNECTOR_DVII 2 148 #define DRM_MODE_CONNECTOR_DVID 3 149 #define DRM_MODE_CONNECTOR_DVIA 4 150 #define DRM_MODE_CONNECTOR_Composite 5 151 #define DRM_MODE_CONNECTOR_SVIDEO 6 152 #define DRM_MODE_CONNECTOR_LVDS 7 153 #define DRM_MODE_CONNECTOR_Component 8 154 #define DRM_MODE_CONNECTOR_9PinDIN 9 155 #define DRM_MODE_CONNECTOR_DisplayPort 10 156 #define DRM_MODE_CONNECTOR_HDMIA 11 157 #define DRM_MODE_CONNECTOR_HDMIB 12 158 #define DRM_MODE_CONNECTOR_TV 13 159 #define DRM_MODE_CONNECTOR_eDP 14 160 #define DRM_MODE_CONNECTOR_VIRTUAL 15 161 #define DRM_MODE_CONNECTOR_DSI 16 162 #define DRM_MODE_CONNECTOR_DPI 17 163 164 #define DRM_MODE_PROP_PENDING (1<<0) 165 #define DRM_MODE_PROP_RANGE (1<<1) 166 #define DRM_MODE_PROP_IMMUTABLE (1<<2) 167 #define DRM_MODE_PROP_ENUM (1<<3) /* enumerated type with text strings */ 168 #define DRM_MODE_PROP_BLOB (1<<4) 169 170 #define DRM_MODE_CURSOR_BO (1<<0) 171 #define DRM_MODE_CURSOR_MOVE (1<<1) 172 173 #endif /* _DRM_MODE_H */ 174 175 176 /* 177 * Feature defines 178 * 179 * Just because these are defined doesn't mean that the kernel 180 * can do that feature, its just for new code vs old libdrm. 181 */ 182 #define DRM_MODE_FEATURE_KMS 1 183 #define DRM_MODE_FEATURE_DIRTYFB 1 184 185 186 typedef struct _drmModeRes { 187 188 int count_fbs; 189 uint32_t *fbs; 190 191 int count_crtcs; 192 uint32_t *crtcs; 193 194 int count_connectors; 195 uint32_t *connectors; 196 197 int count_encoders; 198 uint32_t *encoders; 199 200 uint32_t min_width, max_width; 201 uint32_t min_height, max_height; 202 } drmModeRes, *drmModeResPtr; 203 204 typedef struct _drmModeModeInfo { 205 uint32_t clock; 206 uint16_t hdisplay, hsync_start, hsync_end, htotal, hskew; 207 uint16_t vdisplay, vsync_start, vsync_end, vtotal, vscan; 208 209 uint32_t vrefresh; 210 211 uint32_t flags; 212 uint32_t type; 213 char name[DRM_DISPLAY_MODE_LEN]; 214 } drmModeModeInfo, *drmModeModeInfoPtr; 215 216 typedef struct _drmModeFB { 217 uint32_t fb_id; 218 uint32_t width, height; 219 uint32_t pitch; 220 uint32_t bpp; 221 uint32_t depth; 222 /* driver specific handle */ 223 uint32_t handle; 224 } drmModeFB, *drmModeFBPtr; 225 226 typedef struct drm_clip_rect drmModeClip, *drmModeClipPtr; 227 228 typedef struct _drmModePropertyBlob { 229 uint32_t id; 230 uint32_t length; 231 void *data; 232 } drmModePropertyBlobRes, *drmModePropertyBlobPtr; 233 234 typedef struct _drmModeProperty { 235 uint32_t prop_id; 236 uint32_t flags; 237 char name[DRM_PROP_NAME_LEN]; 238 int count_values; 239 uint64_t *values; /* store the blob lengths */ 240 int count_enums; 241 struct drm_mode_property_enum *enums; 242 int count_blobs; 243 uint32_t *blob_ids; /* store the blob IDs */ 244 } drmModePropertyRes, *drmModePropertyPtr; 245 246 static __inline int drm_property_type_is(drmModePropertyPtr property, 247 uint32_t type) 248 { 249 /* instanceof for props.. handles extended type vs original types: */ 250 if (property->flags & DRM_MODE_PROP_EXTENDED_TYPE) 251 return (property->flags & DRM_MODE_PROP_EXTENDED_TYPE) == type; 252 return property->flags & type; 253 } 254 255 typedef struct _drmModeCrtc { 256 uint32_t crtc_id; 257 uint32_t buffer_id; /**< FB id to connect to 0 = disconnect */ 258 259 uint32_t x, y; /**< Position on the framebuffer */ 260 uint32_t width, height; 261 int mode_valid; 262 drmModeModeInfo mode; 263 264 int gamma_size; /**< Number of gamma stops */ 265 266 } drmModeCrtc, *drmModeCrtcPtr; 267 268 typedef struct _drmModeEncoder { 269 uint32_t encoder_id; 270 uint32_t encoder_type; 271 uint32_t crtc_id; 272 uint32_t possible_crtcs; 273 uint32_t possible_clones; 274 } drmModeEncoder, *drmModeEncoderPtr; 275 276 typedef enum { 277 DRM_MODE_CONNECTED = 1, 278 DRM_MODE_DISCONNECTED = 2, 279 DRM_MODE_UNKNOWNCONNECTION = 3 280 } drmModeConnection; 281 282 typedef enum { 283 DRM_MODE_SUBPIXEL_UNKNOWN = 1, 284 DRM_MODE_SUBPIXEL_HORIZONTAL_RGB = 2, 285 DRM_MODE_SUBPIXEL_HORIZONTAL_BGR = 3, 286 DRM_MODE_SUBPIXEL_VERTICAL_RGB = 4, 287 DRM_MODE_SUBPIXEL_VERTICAL_BGR = 5, 288 DRM_MODE_SUBPIXEL_NONE = 6 289 } drmModeSubPixel; 290 291 typedef struct _drmModeConnector { 292 uint32_t connector_id; 293 uint32_t encoder_id; /**< Encoder currently connected to */ 294 uint32_t connector_type; 295 uint32_t connector_type_id; 296 drmModeConnection connection; 297 uint32_t mmWidth, mmHeight; /**< HxW in millimeters */ 298 drmModeSubPixel subpixel; 299 300 int count_modes; 301 drmModeModeInfoPtr modes; 302 303 int count_props; 304 uint32_t *props; /**< List of property ids */ 305 uint64_t *prop_values; /**< List of property values */ 306 307 int count_encoders; 308 uint32_t *encoders; /**< List of encoder ids */ 309 } drmModeConnector, *drmModeConnectorPtr; 310 311 #define DRM_PLANE_TYPE_OVERLAY 0 312 #define DRM_PLANE_TYPE_PRIMARY 1 313 #define DRM_PLANE_TYPE_CURSOR 2 314 315 typedef struct _drmModeObjectProperties { 316 uint32_t count_props; 317 uint32_t *props; 318 uint64_t *prop_values; 319 } drmModeObjectProperties, *drmModeObjectPropertiesPtr; 320 321 typedef struct _drmModePlane { 322 uint32_t count_formats; 323 uint32_t *formats; 324 uint32_t plane_id; 325 326 uint32_t crtc_id; 327 uint32_t fb_id; 328 329 uint32_t crtc_x, crtc_y; 330 uint32_t x, y; 331 332 uint32_t possible_crtcs; 333 uint32_t gamma_size; 334 } drmModePlane, *drmModePlanePtr; 335 336 typedef struct _drmModePlaneRes { 337 uint32_t count_planes; 338 uint32_t *planes; 339 } drmModePlaneRes, *drmModePlaneResPtr; 340 341 extern void drmModeFreeModeInfo( drmModeModeInfoPtr ptr ); 342 extern void drmModeFreeResources( drmModeResPtr ptr ); 343 extern void drmModeFreeFB( drmModeFBPtr ptr ); 344 extern void drmModeFreeCrtc( drmModeCrtcPtr ptr ); 345 extern void drmModeFreeConnector( drmModeConnectorPtr ptr ); 346 extern void drmModeFreeEncoder( drmModeEncoderPtr ptr ); 347 extern void drmModeFreePlane( drmModePlanePtr ptr ); 348 extern void drmModeFreePlaneResources(drmModePlaneResPtr ptr); 349 350 /** 351 * Retrives all of the resources associated with a card. 352 */ 353 extern drmModeResPtr drmModeGetResources(int fd); 354 355 /* 356 * FrameBuffer manipulation. 357 */ 358 359 /** 360 * Retrive information about framebuffer bufferId 361 */ 362 extern drmModeFBPtr drmModeGetFB(int fd, uint32_t bufferId); 363 364 /** 365 * Creates a new framebuffer with an buffer object as its scanout buffer. 366 */ 367 extern int drmModeAddFB(int fd, uint32_t width, uint32_t height, uint8_t depth, 368 uint8_t bpp, uint32_t pitch, uint32_t bo_handle, 369 uint32_t *buf_id); 370 /* ...with a specific pixel format */ 371 extern int drmModeAddFB2(int fd, uint32_t width, uint32_t height, 372 uint32_t pixel_format, uint32_t bo_handles[4], 373 uint32_t pitches[4], uint32_t offsets[4], 374 uint32_t *buf_id, uint32_t flags); 375 376 /* ...with format modifiers */ 377 int drmModeAddFB2WithModifiers(int fd, uint32_t width, uint32_t height, 378 uint32_t pixel_format, uint32_t bo_handles[4], 379 uint32_t pitches[4], uint32_t offsets[4], 380 uint64_t modifier[4], uint32_t *buf_id, uint32_t flags); 381 382 /** 383 * Destroies the given framebuffer. 384 */ 385 extern int drmModeRmFB(int fd, uint32_t bufferId); 386 387 /** 388 * Mark a region of a framebuffer as dirty. 389 */ 390 extern int drmModeDirtyFB(int fd, uint32_t bufferId, 391 drmModeClipPtr clips, uint32_t num_clips); 392 393 394 /* 395 * Crtc functions 396 */ 397 398 /** 399 * Retrive information about the ctrt crtcId 400 */ 401 extern drmModeCrtcPtr drmModeGetCrtc(int fd, uint32_t crtcId); 402 403 /** 404 * Set the mode on a crtc crtcId with the given mode modeId. 405 */ 406 int drmModeSetCrtc(int fd, uint32_t crtcId, uint32_t bufferId, 407 uint32_t x, uint32_t y, uint32_t *connectors, int count, 408 drmModeModeInfoPtr mode); 409 410 /* 411 * Cursor functions 412 */ 413 414 /** 415 * Set the cursor on crtc 416 */ 417 int drmModeSetCursor(int fd, uint32_t crtcId, uint32_t bo_handle, uint32_t width, uint32_t height); 418 419 int drmModeSetCursor2(int fd, uint32_t crtcId, uint32_t bo_handle, uint32_t width, uint32_t height, int32_t hot_x, int32_t hot_y); 420 /** 421 * Move the cursor on crtc 422 */ 423 int drmModeMoveCursor(int fd, uint32_t crtcId, int x, int y); 424 425 /** 426 * Encoder functions 427 */ 428 drmModeEncoderPtr drmModeGetEncoder(int fd, uint32_t encoder_id); 429 430 /* 431 * Connector manipulation 432 */ 433 434 /** 435 * Retrieve all information about the connector connectorId. This will do a 436 * forced probe on the connector to retrieve remote information such as EDIDs 437 * from the display device. 438 */ 439 extern drmModeConnectorPtr drmModeGetConnector(int fd, 440 uint32_t connectorId); 441 442 /** 443 * Retrieve current information, i.e the currently active mode and encoder, 444 * about the connector connectorId. This will not do any probing on the 445 * connector or remote device, and only reports what is currently known. 446 * For the complete set of modes and encoders associated with the connector 447 * use drmModeGetConnector() which will do a probe to determine any display 448 * link changes first. 449 */ 450 extern drmModeConnectorPtr drmModeGetConnectorCurrent(int fd, 451 uint32_t connector_id); 452 453 /** 454 * Attaches the given mode to an connector. 455 */ 456 extern int drmModeAttachMode(int fd, uint32_t connectorId, drmModeModeInfoPtr mode_info); 457 458 /** 459 * Detaches a mode from the connector 460 * must be unused, by the given mode. 461 */ 462 extern int drmModeDetachMode(int fd, uint32_t connectorId, drmModeModeInfoPtr mode_info); 463 464 extern drmModePropertyPtr drmModeGetProperty(int fd, uint32_t propertyId); 465 extern void drmModeFreeProperty(drmModePropertyPtr ptr); 466 467 extern drmModePropertyBlobPtr drmModeGetPropertyBlob(int fd, uint32_t blob_id); 468 extern void drmModeFreePropertyBlob(drmModePropertyBlobPtr ptr); 469 extern int drmModeConnectorSetProperty(int fd, uint32_t connector_id, uint32_t property_id, 470 uint64_t value); 471 extern int drmCheckModesettingSupported(const char *busid); 472 473 extern int drmModeCrtcSetGamma(int fd, uint32_t crtc_id, uint32_t size, 474 uint16_t *red, uint16_t *green, uint16_t *blue); 475 extern int drmModeCrtcGetGamma(int fd, uint32_t crtc_id, uint32_t size, 476 uint16_t *red, uint16_t *green, uint16_t *blue); 477 extern int drmModePageFlip(int fd, uint32_t crtc_id, uint32_t fb_id, 478 uint32_t flags, void *user_data); 479 extern int drmModePageFlipTarget(int fd, uint32_t crtc_id, uint32_t fb_id, 480 uint32_t flags, void *user_data, 481 uint32_t target_vblank); 482 483 extern drmModePlaneResPtr drmModeGetPlaneResources(int fd); 484 extern drmModePlanePtr drmModeGetPlane(int fd, uint32_t plane_id); 485 extern int drmModeSetPlane(int fd, uint32_t plane_id, uint32_t crtc_id, 486 uint32_t fb_id, uint32_t flags, 487 int32_t crtc_x, int32_t crtc_y, 488 uint32_t crtc_w, uint32_t crtc_h, 489 uint32_t src_x, uint32_t src_y, 490 uint32_t src_w, uint32_t src_h); 491 492 extern drmModeObjectPropertiesPtr drmModeObjectGetProperties(int fd, 493 uint32_t object_id, 494 uint32_t object_type); 495 extern void drmModeFreeObjectProperties(drmModeObjectPropertiesPtr ptr); 496 extern int drmModeObjectSetProperty(int fd, uint32_t object_id, 497 uint32_t object_type, uint32_t property_id, 498 uint64_t value); 499 500 501 typedef struct _drmModePropertySet drmModePropertySet, *drmModePropertySetPtr; 502 503 extern drmModePropertySetPtr drmModePropertySetAlloc(void); 504 505 extern int drmModePropertySetAdd(drmModePropertySetPtr set, 506 uint32_t object_id, 507 uint32_t property_id, 508 uint64_t value); 509 extern int drmModePropertySetAddBlob(drmModePropertySetPtr set, 510 uint32_t object_id, 511 uint32_t property_id, 512 uint64_t length, 513 void *blob); 514 515 extern int drmModePropertySetCommit(int fd, uint32_t flags, 516 void *user_data, drmModePropertySetPtr set); 517 518 extern void drmModePropertySetFree(drmModePropertySetPtr set); 519 520 typedef struct _drmModeAtomicReq drmModeAtomicReq, *drmModeAtomicReqPtr; 521 522 extern drmModeAtomicReqPtr drmModeAtomicAlloc(void); 523 extern drmModeAtomicReqPtr drmModeAtomicDuplicate(drmModeAtomicReqPtr req); 524 extern int drmModeAtomicMerge(drmModeAtomicReqPtr base, 525 drmModeAtomicReqPtr augment); 526 extern void drmModeAtomicFree(drmModeAtomicReqPtr req); 527 extern int drmModeAtomicGetCursor(drmModeAtomicReqPtr req); 528 extern void drmModeAtomicSetCursor(drmModeAtomicReqPtr req, int cursor); 529 extern int drmModeAtomicAddProperty(drmModeAtomicReqPtr req, 530 uint32_t object_id, 531 uint32_t property_id, 532 uint64_t value); 533 extern int drmModeAtomicCommit(int fd, 534 drmModeAtomicReqPtr req, 535 uint32_t flags, 536 void *user_data); 537 538 extern int drmModeCreatePropertyBlob(int fd, const void *data, size_t size, 539 uint32_t *id); 540 extern int drmModeDestroyPropertyBlob(int fd, uint32_t id); 541 542 543 #if defined(__cplusplus) 544 } 545 #endif 546 547 #endif 548
