1 /* 2 * Copyright © 2006 Keith Packard 3 * Copyright © 2007-2008 Dave Airlie 4 * Copyright © 2007-2008 Intel Corporation 5 * Jesse Barnes <jesse.barnes@intel.com> 6 * 7 * Permission is hereby granted, free of charge, to any person obtaining a 8 * copy of this software and associated documentation files (the "Software"), 9 * to deal in the Software without restriction, including without limitation 10 * the rights to use, copy, modify, merge, publish, distribute, sublicense, 11 * and/or sell copies of the Software, and to permit persons to whom the 12 * Software is furnished to do so, subject to the following conditions: 13 * 14 * The above copyright notice and this permission notice shall be included in 15 * all copies or substantial portions of the Software. 16 * 17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 18 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 19 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 20 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR 21 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, 22 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR 23 * OTHER DEALINGS IN THE SOFTWARE. 24 */ 25 #ifndef __DRM_CRTC_H__ 26 #define __DRM_CRTC_H__ 27 28 #include <dev/drm2/drm_mode.h> 29 30 #include <dev/drm2/drm_fourcc.h> 31 32 struct drm_device; 33 struct drm_mode_set; 34 struct drm_framebuffer; 35 struct drm_object_properties; 36 37 38 #define DRM_MODE_OBJECT_CRTC 0xcccccccc 39 #define DRM_MODE_OBJECT_CONNECTOR 0xc0c0c0c0 40 #define DRM_MODE_OBJECT_ENCODER 0xe0e0e0e0 41 #define DRM_MODE_OBJECT_MODE 0xdededede 42 #define DRM_MODE_OBJECT_PROPERTY 0xb0b0b0b0 43 #define DRM_MODE_OBJECT_FB 0xfbfbfbfb 44 #define DRM_MODE_OBJECT_BLOB 0xbbbbbbbb 45 #define DRM_MODE_OBJECT_PLANE 0xeeeeeeee 46 47 struct drm_mode_object { 48 uint32_t id; 49 uint32_t type; 50 struct drm_object_properties *properties; 51 }; 52 53 #define DRM_OBJECT_MAX_PROPERTY 24 54 struct drm_object_properties { 55 int count; 56 uint32_t ids[DRM_OBJECT_MAX_PROPERTY]; 57 uint64_t values[DRM_OBJECT_MAX_PROPERTY]; 58 }; 59 60 /* 61 * Note on terminology: here, for brevity and convenience, we refer to connector 62 * control chips as 'CRTCs'. They can control any type of connector, VGA, LVDS, 63 * DVI, etc. And 'screen' refers to the whole of the visible display, which 64 * may span multiple monitors (and therefore multiple CRTC and connector 65 * structures). 66 */ 67 68 enum drm_mode_status { 69 MODE_OK = 0, /* Mode OK */ 70 MODE_HSYNC, /* hsync out of range */ 71 MODE_VSYNC, /* vsync out of range */ 72 MODE_H_ILLEGAL, /* mode has illegal horizontal timings */ 73 MODE_V_ILLEGAL, /* mode has illegal horizontal timings */ 74 MODE_BAD_WIDTH, /* requires an unsupported linepitch */ 75 MODE_NOMODE, /* no mode with a matching name */ 76 MODE_NO_INTERLACE, /* interlaced mode not supported */ 77 MODE_NO_DBLESCAN, /* doublescan mode not supported */ 78 MODE_NO_VSCAN, /* multiscan mode not supported */ 79 MODE_MEM, /* insufficient video memory */ 80 MODE_VIRTUAL_X, /* mode width too large for specified virtual size */ 81 MODE_VIRTUAL_Y, /* mode height too large for specified virtual size */ 82 MODE_MEM_VIRT, /* insufficient video memory given virtual size */ 83 MODE_NOCLOCK, /* no fixed clock available */ 84 MODE_CLOCK_HIGH, /* clock required is too high */ 85 MODE_CLOCK_LOW, /* clock required is too low */ 86 MODE_CLOCK_RANGE, /* clock/mode isn't in a ClockRange */ 87 MODE_BAD_HVALUE, /* horizontal timing was out of range */ 88 MODE_BAD_VVALUE, /* vertical timing was out of range */ 89 MODE_BAD_VSCAN, /* VScan value out of range */ 90 MODE_HSYNC_NARROW, /* horizontal sync too narrow */ 91 MODE_HSYNC_WIDE, /* horizontal sync too wide */ 92 MODE_HBLANK_NARROW, /* horizontal blanking too narrow */ 93 MODE_HBLANK_WIDE, /* horizontal blanking too wide */ 94 MODE_VSYNC_NARROW, /* vertical sync too narrow */ 95 MODE_VSYNC_WIDE, /* vertical sync too wide */ 96 MODE_VBLANK_NARROW, /* vertical blanking too narrow */ 97 MODE_VBLANK_WIDE, /* vertical blanking too wide */ 98 MODE_PANEL, /* exceeds panel dimensions */ 99 MODE_INTERLACE_WIDTH, /* width too large for interlaced mode */ 100 MODE_ONE_WIDTH, /* only one width is supported */ 101 MODE_ONE_HEIGHT, /* only one height is supported */ 102 MODE_ONE_SIZE, /* only one resolution is supported */ 103 MODE_NO_REDUCED, /* monitor doesn't accept reduced blanking */ 104 MODE_UNVERIFIED = -3, /* mode needs to reverified */ 105 MODE_BAD = -2, /* unspecified reason */ 106 MODE_ERROR = -1 /* error condition */ 107 }; 108 109 #define DRM_MODE_TYPE_CLOCK_CRTC_C (DRM_MODE_TYPE_CLOCK_C | \ 110 DRM_MODE_TYPE_CRTC_C) 111 112 #define DRM_MODE(nm, t, c, hd, hss, hse, ht, hsk, vd, vss, vse, vt, vs, f) \ 113 .name = nm, .status = 0, .type = (t), .clock = (c), \ 114 .hdisplay = (hd), .hsync_start = (hss), .hsync_end = (hse), \ 115 .htotal = (ht), .hskew = (hsk), .vdisplay = (vd), \ 116 .vsync_start = (vss), .vsync_end = (vse), .vtotal = (vt), \ 117 .vscan = (vs), .flags = (f), .vrefresh = 0, \ 118 .base.type = DRM_MODE_OBJECT_MODE 119 120 #define CRTC_INTERLACE_HALVE_V 0x1 /* halve V values for interlacing */ 121 122 struct drm_display_mode { 123 /* Header */ 124 struct list_head head; 125 struct drm_mode_object base; 126 127 char name[DRM_DISPLAY_MODE_LEN]; 128 129 enum drm_mode_status status; 130 unsigned int type; 131 132 /* Proposed mode values */ 133 int clock; /* in kHz */ 134 int hdisplay; 135 int hsync_start; 136 int hsync_end; 137 int htotal; 138 int hskew; 139 int vdisplay; 140 int vsync_start; 141 int vsync_end; 142 int vtotal; 143 int vscan; 144 unsigned int flags; 145 146 /* Addressable image size (may be 0 for projectors, etc.) */ 147 int width_mm; 148 int height_mm; 149 150 /* Actual mode we give to hw */ 151 int clock_index; 152 int synth_clock; 153 int crtc_hdisplay; 154 int crtc_hblank_start; 155 int crtc_hblank_end; 156 int crtc_hsync_start; 157 int crtc_hsync_end; 158 int crtc_htotal; 159 int crtc_hskew; 160 int crtc_vdisplay; 161 int crtc_vblank_start; 162 int crtc_vblank_end; 163 int crtc_vsync_start; 164 int crtc_vsync_end; 165 int crtc_vtotal; 166 167 /* Driver private mode info */ 168 int private_size; 169 int *private; 170 int private_flags; 171 172 int vrefresh; /* in Hz */ 173 int hsync; /* in kHz */ 174 }; 175 176 enum drm_connector_status { 177 connector_status_connected = 1, 178 connector_status_disconnected = 2, 179 connector_status_unknown = 3, 180 }; 181 182 enum subpixel_order { 183 SubPixelUnknown = 0, 184 SubPixelHorizontalRGB, 185 SubPixelHorizontalBGR, 186 SubPixelVerticalRGB, 187 SubPixelVerticalBGR, 188 SubPixelNone, 189 }; 190 191 #define DRM_COLOR_FORMAT_RGB444 (1<<0) 192 #define DRM_COLOR_FORMAT_YCRCB444 (1<<1) 193 #define DRM_COLOR_FORMAT_YCRCB422 (1<<2) 194 /* 195 * Describes a given display (e.g. CRT or flat panel) and its limitations. 196 */ 197 struct drm_display_info { 198 char name[DRM_DISPLAY_INFO_LEN]; 199 200 /* Physical size */ 201 unsigned int width_mm; 202 unsigned int height_mm; 203 204 /* Clock limits FIXME: storage format */ 205 unsigned int min_vfreq, max_vfreq; 206 unsigned int min_hfreq, max_hfreq; 207 unsigned int pixel_clock; 208 unsigned int bpc; 209 210 enum subpixel_order subpixel_order; 211 u32 color_formats; 212 213 u8 cea_rev; 214 }; 215 216 struct drm_framebuffer_funcs { 217 /* note: use drm_framebuffer_remove() */ 218 void (*destroy)(struct drm_framebuffer *framebuffer); 219 int (*create_handle)(struct drm_framebuffer *fb, 220 struct drm_file *file_priv, 221 unsigned int *handle); 222 /** 223 * Optinal callback for the dirty fb ioctl. 224 * 225 * Userspace can notify the driver via this callback 226 * that a area of the framebuffer has changed and should 227 * be flushed to the display hardware. 228 * 229 * See documentation in drm_mode.h for the struct 230 * drm_mode_fb_dirty_cmd for more information as all 231 * the semantics and arguments have a one to one mapping 232 * on this function. 233 */ 234 int (*dirty)(struct drm_framebuffer *framebuffer, 235 struct drm_file *file_priv, unsigned flags, 236 unsigned color, struct drm_clip_rect *clips, 237 unsigned num_clips); 238 }; 239 240 struct drm_framebuffer { 241 struct drm_device *dev; 242 /* 243 * Note that the fb is refcounted for the benefit of driver internals, 244 * for example some hw, disabling a CRTC/plane is asynchronous, and 245 * scanout does not actually complete until the next vblank. So some 246 * cleanup (like releasing the reference(s) on the backing GEM bo(s)) 247 * should be deferred. In cases like this, the driver would like to 248 * hold a ref to the fb even though it has already been removed from 249 * userspace perspective. 250 */ 251 unsigned int refcount; 252 struct list_head head; 253 struct drm_mode_object base; 254 const struct drm_framebuffer_funcs *funcs; 255 unsigned int pitches[4]; 256 unsigned int offsets[4]; 257 unsigned int width; 258 unsigned int height; 259 /* depth can be 15 or 16 */ 260 unsigned int depth; 261 int bits_per_pixel; 262 int flags; 263 uint32_t pixel_format; /* fourcc format */ 264 struct list_head filp_head; 265 /* if you are using the helper */ 266 void *helper_private; 267 }; 268 269 struct drm_property_blob { 270 struct drm_mode_object base; 271 struct list_head head; 272 unsigned int length; 273 unsigned char data[]; 274 }; 275 276 struct drm_property_enum { 277 uint64_t value; 278 struct list_head head; 279 char name[DRM_PROP_NAME_LEN]; 280 }; 281 282 struct drm_property { 283 struct list_head head; 284 struct drm_mode_object base; 285 uint32_t flags; 286 char name[DRM_PROP_NAME_LEN]; 287 uint32_t num_values; 288 uint64_t *values; 289 290 struct list_head enum_blob_list; 291 }; 292 293 struct drm_crtc; 294 struct drm_connector; 295 struct drm_encoder; 296 struct drm_pending_vblank_event; 297 struct drm_plane; 298 299 /** 300 * drm_crtc_funcs - control CRTCs for a given device 301 * @save: save CRTC state 302 * @restore: restore CRTC state 303 * @reset: reset CRTC after state has been invalidate (e.g. resume) 304 * @cursor_set: setup the cursor 305 * @cursor_move: move the cursor 306 * @gamma_set: specify color ramp for CRTC 307 * @destroy: deinit and free object 308 * @set_property: called when a property is changed 309 * @set_config: apply a new CRTC configuration 310 * @page_flip: initiate a page flip 311 * 312 * The drm_crtc_funcs structure is the central CRTC management structure 313 * in the DRM. Each CRTC controls one or more connectors (note that the name 314 * CRTC is simply historical, a CRTC may control LVDS, VGA, DVI, TV out, etc. 315 * connectors, not just CRTs). 316 * 317 * Each driver is responsible for filling out this structure at startup time, 318 * in addition to providing other modesetting features, like i2c and DDC 319 * bus accessors. 320 */ 321 struct drm_crtc_funcs { 322 /* Save CRTC state */ 323 void (*save)(struct drm_crtc *crtc); /* suspend? */ 324 /* Restore CRTC state */ 325 void (*restore)(struct drm_crtc *crtc); /* resume? */ 326 /* Reset CRTC state */ 327 void (*reset)(struct drm_crtc *crtc); 328 329 /* cursor controls */ 330 int (*cursor_set)(struct drm_crtc *crtc, struct drm_file *file_priv, 331 uint32_t handle, uint32_t width, uint32_t height); 332 int (*cursor_move)(struct drm_crtc *crtc, int x, int y); 333 334 /* Set gamma on the CRTC */ 335 void (*gamma_set)(struct drm_crtc *crtc, u16 *r, u16 *g, u16 *b, 336 uint32_t start, uint32_t size); 337 /* Object destroy routine */ 338 void (*destroy)(struct drm_crtc *crtc); 339 340 int (*set_config)(struct drm_mode_set *set); 341 342 /* 343 * Flip to the given framebuffer. This implements the page 344 * flip ioctl described in drm_mode.h, specifically, the 345 * implementation must return immediately and block all 346 * rendering to the current fb until the flip has completed. 347 * If userspace set the event flag in the ioctl, the event 348 * argument will point to an event to send back when the flip 349 * completes, otherwise it will be NULL. 350 */ 351 int (*page_flip)(struct drm_crtc *crtc, 352 struct drm_framebuffer *fb, 353 struct drm_pending_vblank_event *event); 354 355 int (*set_property)(struct drm_crtc *crtc, 356 struct drm_property *property, uint64_t val); 357 }; 358 359 /** 360 * drm_crtc - central CRTC control structure 361 * @dev: parent DRM device 362 * @head: list management 363 * @base: base KMS object for ID tracking etc. 364 * @enabled: is this CRTC enabled? 365 * @mode: current mode timings 366 * @hwmode: mode timings as programmed to hw regs 367 * @invert_dimensions: for purposes of error checking crtc vs fb sizes, 368 * invert the width/height of the crtc. This is used if the driver 369 * is performing 90 or 270 degree rotated scanout 370 * @x: x position on screen 371 * @y: y position on screen 372 * @funcs: CRTC control functions 373 * @gamma_size: size of gamma ramp 374 * @gamma_store: gamma ramp values 375 * @framedur_ns: precise frame timing 376 * @framedur_ns: precise line timing 377 * @pixeldur_ns: precise pixel timing 378 * @helper_private: mid-layer private data 379 * @properties: property tracking for this CRTC 380 * 381 * Each CRTC may have one or more connectors associated with it. This structure 382 * allows the CRTC to be controlled. 383 */ 384 struct drm_crtc { 385 struct drm_device *dev; 386 struct list_head head; 387 388 struct drm_mode_object base; 389 390 /* framebuffer the connector is currently bound to */ 391 struct drm_framebuffer *fb; 392 393 bool enabled; 394 395 /* Requested mode from modesetting. */ 396 struct drm_display_mode mode; 397 398 /* Programmed mode in hw, after adjustments for encoders, 399 * crtc, panel scaling etc. Needed for timestamping etc. 400 */ 401 struct drm_display_mode hwmode; 402 403 bool invert_dimensions; 404 405 int x, y; 406 const struct drm_crtc_funcs *funcs; 407 408 /* CRTC gamma size for reporting to userspace */ 409 uint32_t gamma_size; 410 uint16_t *gamma_store; 411 412 /* Constants needed for precise vblank and swap timestamping. */ 413 s64 framedur_ns, linedur_ns, pixeldur_ns; 414 415 /* if you are using the helper */ 416 void *helper_private; 417 418 struct drm_object_properties properties; 419 }; 420 421 422 /** 423 * drm_connector_funcs - control connectors on a given device 424 * @dpms: set power state (see drm_crtc_funcs above) 425 * @save: save connector state 426 * @restore: restore connector state 427 * @reset: reset connector after state has been invalidate (e.g. resume) 428 * @detect: is this connector active? 429 * @fill_modes: fill mode list for this connector 430 * @set_property: property for this connector may need update 431 * @destroy: make object go away 432 * @force: notify the driver the connector is forced on 433 * 434 * Each CRTC may have one or more connectors attached to it. The functions 435 * below allow the core DRM code to control connectors, enumerate available modes, 436 * etc. 437 */ 438 struct drm_connector_funcs { 439 void (*dpms)(struct drm_connector *connector, int mode); 440 void (*save)(struct drm_connector *connector); 441 void (*restore)(struct drm_connector *connector); 442 void (*reset)(struct drm_connector *connector); 443 444 /* Check to see if anything is attached to the connector. 445 * @force is set to false whilst polling, true when checking the 446 * connector due to user request. @force can be used by the driver 447 * to avoid expensive, destructive operations during automated 448 * probing. 449 */ 450 enum drm_connector_status (*detect)(struct drm_connector *connector, 451 bool force); 452 int (*fill_modes)(struct drm_connector *connector, uint32_t max_width, uint32_t max_height); 453 int (*set_property)(struct drm_connector *connector, struct drm_property *property, 454 uint64_t val); 455 void (*destroy)(struct drm_connector *connector); 456 void (*force)(struct drm_connector *connector); 457 }; 458 459 /** 460 * drm_encoder_funcs - encoder controls 461 * @reset: reset state (e.g. at init or resume time) 462 * @destroy: cleanup and free associated data 463 * 464 * Encoders sit between CRTCs and connectors. 465 */ 466 struct drm_encoder_funcs { 467 void (*reset)(struct drm_encoder *encoder); 468 void (*destroy)(struct drm_encoder *encoder); 469 }; 470 471 #define DRM_CONNECTOR_MAX_UMODES 16 472 #define DRM_CONNECTOR_LEN 32 473 #define DRM_CONNECTOR_MAX_ENCODER 3 474 475 /** 476 * drm_encoder - central DRM encoder structure 477 * @dev: parent DRM device 478 * @head: list management 479 * @base: base KMS object 480 * @encoder_type: one of the %DRM_MODE_ENCODER_<foo> types in drm_mode.h 481 * @possible_crtcs: bitmask of potential CRTC bindings 482 * @possible_clones: bitmask of potential sibling encoders for cloning 483 * @crtc: currently bound CRTC 484 * @funcs: control functions 485 * @helper_private: mid-layer private data 486 * 487 * CRTCs drive pixels to encoders, which convert them into signals 488 * appropriate for a given connector or set of connectors. 489 */ 490 struct drm_encoder { 491 struct drm_device *dev; 492 struct list_head head; 493 494 struct drm_mode_object base; 495 int encoder_type; 496 uint32_t possible_crtcs; 497 uint32_t possible_clones; 498 499 struct drm_crtc *crtc; 500 const struct drm_encoder_funcs *funcs; 501 void *helper_private; 502 }; 503 504 enum drm_connector_force { 505 DRM_FORCE_UNSPECIFIED, 506 DRM_FORCE_OFF, 507 DRM_FORCE_ON, /* force on analog part normally */ 508 DRM_FORCE_ON_DIGITAL, /* for DVI-I use digital connector */ 509 }; 510 511 /* should we poll this connector for connects and disconnects */ 512 /* hot plug detectable */ 513 #define DRM_CONNECTOR_POLL_HPD (1 << 0) 514 /* poll for connections */ 515 #define DRM_CONNECTOR_POLL_CONNECT (1 << 1) 516 /* can cleanly poll for disconnections without flickering the screen */ 517 /* DACs should rarely do this without a lot of testing */ 518 #define DRM_CONNECTOR_POLL_DISCONNECT (1 << 2) 519 520 #define MAX_ELD_BYTES 128 521 522 /** 523 * drm_connector - central DRM connector control structure 524 * @dev: parent DRM device 525 * @kdev: kernel device for sysfs attributes 526 * @attr: sysfs attributes 527 * @head: list management 528 * @base: base KMS object 529 * @connector_type: one of the %DRM_MODE_CONNECTOR_<foo> types from drm_mode.h 530 * @connector_type_id: index into connector type enum 531 * @interlace_allowed: can this connector handle interlaced modes? 532 * @doublescan_allowed: can this connector handle doublescan? 533 * @modes: modes available on this connector (from fill_modes() + user) 534 * @status: one of the drm_connector_status enums (connected, not, or unknown) 535 * @probed_modes: list of modes derived directly from the display 536 * @display_info: information about attached display (e.g. from EDID) 537 * @funcs: connector control functions 538 * @user_modes: user added mode list 539 * @edid_blob_ptr: DRM property containing EDID if present 540 * @properties: property tracking for this connector 541 * @polled: a %DRM_CONNECTOR_POLL_<foo> value for core driven polling 542 * @dpms: current dpms state 543 * @helper_private: mid-layer private data 544 * @force: a %DRM_FORCE_<foo> state for forced mode sets 545 * @encoder_ids: valid encoders for this connector 546 * @encoder: encoder driving this connector, if any 547 * @eld: EDID-like data, if present 548 * @dvi_dual: dual link DVI, if found 549 * @max_tmds_clock: max clock rate, if found 550 * @latency_present: AV delay info from ELD, if found 551 * @video_latency: video latency info from ELD, if found 552 * @audio_latency: audio latency info from ELD, if found 553 * @null_edid_counter: track sinks that give us all zeros for the EDID 554 * 555 * Each connector may be connected to one or more CRTCs, or may be clonable by 556 * another connector if they can share a CRTC. Each connector also has a specific 557 * position in the broader display (referred to as a 'screen' though it could 558 * span multiple monitors). 559 */ 560 struct drm_connector { 561 struct drm_device *dev; 562 #ifdef FREEBSD_NOTYET 563 struct device kdev; 564 #endif /* FREEBSD_NOTYET */ 565 struct device_attribute *attr; 566 struct list_head head; 567 568 struct drm_mode_object base; 569 570 int connector_type; 571 int connector_type_id; 572 bool interlace_allowed; 573 bool doublescan_allowed; 574 struct list_head modes; /* list of modes on this connector */ 575 576 enum drm_connector_status status; 577 578 /* these are modes added by probing with DDC or the BIOS */ 579 struct list_head probed_modes; 580 581 struct drm_display_info display_info; 582 const struct drm_connector_funcs *funcs; 583 584 struct list_head user_modes; 585 struct drm_property_blob *edid_blob_ptr; 586 struct drm_object_properties properties; 587 588 uint8_t polled; /* DRM_CONNECTOR_POLL_* */ 589 590 /* requested DPMS state */ 591 int dpms; 592 593 void *helper_private; 594 595 /* forced on connector */ 596 enum drm_connector_force force; 597 uint32_t encoder_ids[DRM_CONNECTOR_MAX_ENCODER]; 598 struct drm_encoder *encoder; /* currently active encoder */ 599 600 /* EDID bits */ 601 uint8_t eld[MAX_ELD_BYTES]; 602 bool dvi_dual; 603 int max_tmds_clock; /* in MHz */ 604 bool latency_present[2]; 605 int video_latency[2]; /* [0]: progressive, [1]: interlaced */ 606 int audio_latency[2]; 607 int null_edid_counter; /* needed to workaround some HW bugs where we get all 0s */ 608 unsigned bad_edid_counter; 609 }; 610 611 /** 612 * drm_plane_funcs - driver plane control functions 613 * @update_plane: update the plane configuration 614 * @disable_plane: shut down the plane 615 * @destroy: clean up plane resources 616 * @set_property: called when a property is changed 617 */ 618 struct drm_plane_funcs { 619 int (*update_plane)(struct drm_plane *plane, 620 struct drm_crtc *crtc, struct drm_framebuffer *fb, 621 int crtc_x, int crtc_y, 622 unsigned int crtc_w, unsigned int crtc_h, 623 uint32_t src_x, uint32_t src_y, 624 uint32_t src_w, uint32_t src_h); 625 int (*disable_plane)(struct drm_plane *plane); 626 void (*destroy)(struct drm_plane *plane); 627 628 int (*set_property)(struct drm_plane *plane, 629 struct drm_property *property, uint64_t val); 630 }; 631 632 /** 633 * drm_plane - central DRM plane control structure 634 * @dev: DRM device this plane belongs to 635 * @head: for list management 636 * @base: base mode object 637 * @possible_crtcs: pipes this plane can be bound to 638 * @format_types: array of formats supported by this plane 639 * @format_count: number of formats supported 640 * @crtc: currently bound CRTC 641 * @fb: currently bound fb 642 * @gamma_size: size of gamma table 643 * @gamma_store: gamma correction table 644 * @enabled: enabled flag 645 * @funcs: helper functions 646 * @helper_private: storage for drver layer 647 * @properties: property tracking for this plane 648 */ 649 struct drm_plane { 650 struct drm_device *dev; 651 struct list_head head; 652 653 struct drm_mode_object base; 654 655 uint32_t possible_crtcs; 656 uint32_t *format_types; 657 uint32_t format_count; 658 659 struct drm_crtc *crtc; 660 struct drm_framebuffer *fb; 661 662 /* CRTC gamma size for reporting to userspace */ 663 uint32_t gamma_size; 664 uint16_t *gamma_store; 665 666 bool enabled; 667 668 const struct drm_plane_funcs *funcs; 669 void *helper_private; 670 671 struct drm_object_properties properties; 672 }; 673 674 /** 675 * drm_mode_set - new values for a CRTC config change 676 * @head: list management 677 * @fb: framebuffer to use for new config 678 * @crtc: CRTC whose configuration we're about to change 679 * @mode: mode timings to use 680 * @x: position of this CRTC relative to @fb 681 * @y: position of this CRTC relative to @fb 682 * @connectors: array of connectors to drive with this CRTC if possible 683 * @num_connectors: size of @connectors array 684 * 685 * Represents a single crtc the connectors that it drives with what mode 686 * and from which framebuffer it scans out from. 687 * 688 * This is used to set modes. 689 */ 690 struct drm_mode_set { 691 struct drm_framebuffer *fb; 692 struct drm_crtc *crtc; 693 struct drm_display_mode *mode; 694 695 uint32_t x; 696 uint32_t y; 697 698 struct drm_connector **connectors; 699 size_t num_connectors; 700 }; 701 702 /** 703 * struct drm_mode_config_funcs - basic driver provided mode setting functions 704 * @fb_create: create a new framebuffer object 705 * @output_poll_changed: function to handle output configuration changes 706 * 707 * Some global (i.e. not per-CRTC, connector, etc) mode setting functions that 708 * involve drivers. 709 */ 710 struct drm_mode_config_funcs { 711 int (*fb_create)(struct drm_device *dev, 712 struct drm_file *file_priv, 713 struct drm_mode_fb_cmd2 *mode_cmd, 714 struct drm_framebuffer **fb); 715 void (*output_poll_changed)(struct drm_device *dev); 716 }; 717 718 /** 719 * drm_mode_group - group of mode setting resources for potential sub-grouping 720 * @num_crtcs: CRTC count 721 * @num_encoders: encoder count 722 * @num_connectors: connector count 723 * @id_list: list of KMS object IDs in this group 724 * 725 * Currently this simply tracks the global mode setting state. But in the 726 * future it could allow groups of objects to be set aside into independent 727 * control groups for use by different user level processes (e.g. two X servers 728 * running simultaneously on different heads, each with their own mode 729 * configuration and freedom of mode setting). 730 */ 731 struct drm_mode_group { 732 uint32_t num_crtcs; 733 uint32_t num_encoders; 734 uint32_t num_connectors; 735 736 /* list of object IDs for this group */ 737 uint32_t *id_list; 738 }; 739 740 /** 741 * drm_mode_config - Mode configuration control structure 742 * @mutex: mutex protecting KMS related lists and structures 743 * @idr_mutex: mutex for KMS ID allocation and management 744 * @crtc_idr: main KMS ID tracking object 745 * @num_fb: number of fbs available 746 * @fb_list: list of framebuffers available 747 * @num_connector: number of connectors on this device 748 * @connector_list: list of connector objects 749 * @num_encoder: number of encoders on this device 750 * @encoder_list: list of encoder objects 751 * @num_crtc: number of CRTCs on this device 752 * @crtc_list: list of CRTC objects 753 * @min_width: minimum pixel width on this device 754 * @min_height: minimum pixel height on this device 755 * @max_width: maximum pixel width on this device 756 * @max_height: maximum pixel height on this device 757 * @funcs: core driver provided mode setting functions 758 * @fb_base: base address of the framebuffer 759 * @poll_enabled: track polling status for this device 760 * @output_poll_work: delayed work for polling in process context 761 * @*_property: core property tracking 762 * 763 * Core mode resource tracking structure. All CRTC, encoders, and connectors 764 * enumerated by the driver are added here, as are global properties. Some 765 * global restrictions are also here, e.g. dimension restrictions. 766 */ 767 struct drm_mode_config { 768 struct sx mutex; /* protects configuration (mode lists etc.) */ 769 struct drm_gem_names crtc_names; /* use this idr for all IDs, fb, crtc, connector, modes - just makes life easier */ 770 /* this is limited to one for now */ 771 int num_fb; 772 struct list_head fb_list; 773 int num_connector; 774 struct list_head connector_list; 775 int num_encoder; 776 struct list_head encoder_list; 777 int num_plane; 778 struct list_head plane_list; 779 780 int num_crtc; 781 struct list_head crtc_list; 782 783 struct list_head property_list; 784 785 int min_width, min_height; 786 int max_width, max_height; 787 const struct drm_mode_config_funcs *funcs; 788 resource_size_t fb_base; 789 790 /* output poll support */ 791 bool poll_enabled; 792 bool poll_running; 793 struct timeout_task output_poll_work; 794 795 /* pointers to standard properties */ 796 struct list_head property_blob_list; 797 struct drm_property *edid_property; 798 struct drm_property *dpms_property; 799 800 /* DVI-I properties */ 801 struct drm_property *dvi_i_subconnector_property; 802 struct drm_property *dvi_i_select_subconnector_property; 803 804 /* TV properties */ 805 struct drm_property *tv_subconnector_property; 806 struct drm_property *tv_select_subconnector_property; 807 struct drm_property *tv_mode_property; 808 struct drm_property *tv_left_margin_property; 809 struct drm_property *tv_right_margin_property; 810 struct drm_property *tv_top_margin_property; 811 struct drm_property *tv_bottom_margin_property; 812 struct drm_property *tv_brightness_property; 813 struct drm_property *tv_contrast_property; 814 struct drm_property *tv_flicker_reduction_property; 815 struct drm_property *tv_overscan_property; 816 struct drm_property *tv_saturation_property; 817 struct drm_property *tv_hue_property; 818 819 /* Optional properties */ 820 struct drm_property *scaling_mode_property; 821 struct drm_property *dithering_mode_property; 822 struct drm_property *dirty_info_property; 823 824 /* dumb ioctl parameters */ 825 uint32_t preferred_depth, prefer_shadow; 826 }; 827 828 #define obj_to_crtc(x) container_of(x, struct drm_crtc, base) 829 #define obj_to_connector(x) container_of(x, struct drm_connector, base) 830 #define obj_to_encoder(x) container_of(x, struct drm_encoder, base) 831 #define obj_to_mode(x) container_of(x, struct drm_display_mode, base) 832 #define obj_to_fb(x) container_of(x, struct drm_framebuffer, base) 833 #define obj_to_property(x) container_of(x, struct drm_property, base) 834 #define obj_to_blob(x) container_of(x, struct drm_property_blob, base) 835 #define obj_to_plane(x) container_of(x, struct drm_plane, base) 836 837 struct drm_prop_enum_list { 838 int type; 839 char *name; 840 }; 841 842 extern int drm_crtc_init(struct drm_device *dev, 843 struct drm_crtc *crtc, 844 const struct drm_crtc_funcs *funcs); 845 extern void drm_crtc_cleanup(struct drm_crtc *crtc); 846 847 extern int drm_connector_init(struct drm_device *dev, 848 struct drm_connector *connector, 849 const struct drm_connector_funcs *funcs, 850 int connector_type); 851 852 extern void drm_connector_cleanup(struct drm_connector *connector); 853 /* helper to unplug all connectors from sysfs for device */ 854 extern void drm_connector_unplug_all(struct drm_device *dev); 855 856 extern int drm_encoder_init(struct drm_device *dev, 857 struct drm_encoder *encoder, 858 const struct drm_encoder_funcs *funcs, 859 int encoder_type); 860 861 extern int drm_plane_init(struct drm_device *dev, 862 struct drm_plane *plane, 863 unsigned long possible_crtcs, 864 const struct drm_plane_funcs *funcs, 865 const uint32_t *formats, uint32_t format_count, 866 bool priv); 867 extern void drm_plane_cleanup(struct drm_plane *plane); 868 869 extern void drm_encoder_cleanup(struct drm_encoder *encoder); 870 871 extern char *drm_get_connector_name(struct drm_connector *connector); 872 extern char *drm_get_connector_status_name(enum drm_connector_status status); 873 extern char *drm_get_dpms_name(int val); 874 extern char *drm_get_dvi_i_subconnector_name(int val); 875 extern char *drm_get_dvi_i_select_name(int val); 876 extern char *drm_get_tv_subconnector_name(int val); 877 extern char *drm_get_dirty_info_name(int val); 878 extern char *drm_get_tv_select_name(int val); 879 extern void drm_fb_release(struct drm_file *file_priv); 880 extern int drm_mode_group_init(struct drm_device *dev, struct drm_mode_group *group); 881 extern void drm_mode_group_free(struct drm_mode_group *group); 882 extern int drm_mode_group_init_legacy_group(struct drm_device *dev, struct drm_mode_group *group); 883 extern bool drm_probe_ddc(device_t adapter); 884 extern struct edid *drm_get_edid(struct drm_connector *connector, 885 device_t adapter); 886 extern int drm_add_edid_modes(struct drm_connector *connector, struct edid *edid); 887 extern void drm_mode_probed_add(struct drm_connector *connector, struct drm_display_mode *mode); 888 extern void drm_mode_remove(struct drm_connector *connector, struct drm_display_mode *mode); 889 extern void drm_mode_copy(struct drm_display_mode *dst, const struct drm_display_mode *src); 890 extern struct drm_display_mode *drm_mode_duplicate(struct drm_device *dev, 891 const struct drm_display_mode *mode); 892 extern void drm_mode_debug_printmodeline(const struct drm_display_mode *mode); 893 extern void drm_mode_config_init(struct drm_device *dev); 894 extern void drm_mode_config_reset(struct drm_device *dev); 895 extern void drm_mode_config_cleanup(struct drm_device *dev); 896 extern void drm_mode_set_name(struct drm_display_mode *mode); 897 extern bool drm_mode_equal(const struct drm_display_mode *mode1, const struct drm_display_mode *mode2); 898 extern int drm_mode_width(const struct drm_display_mode *mode); 899 extern int drm_mode_height(const struct drm_display_mode *mode); 900 901 /* for us by fb module */ 902 extern int drm_mode_attachmode_crtc(struct drm_device *dev, 903 struct drm_crtc *crtc, 904 const struct drm_display_mode *mode); 905 extern int drm_mode_detachmode_crtc(struct drm_device *dev, struct drm_display_mode *mode); 906 907 extern struct drm_display_mode *drm_mode_create(struct drm_device *dev); 908 extern void drm_mode_destroy(struct drm_device *dev, struct drm_display_mode *mode); 909 extern void drm_mode_list_concat(struct list_head *head, 910 struct list_head *new); 911 extern void drm_mode_validate_size(struct drm_device *dev, 912 struct list_head *mode_list, 913 int maxX, int maxY, int maxPitch); 914 extern void drm_mode_validate_clocks(struct drm_device *dev, 915 struct list_head *mode_list, 916 int *min, int *max, int n_ranges); 917 extern void drm_mode_prune_invalid(struct drm_device *dev, 918 struct list_head *mode_list, bool verbose); 919 extern void drm_mode_sort(struct list_head *mode_list); 920 extern int drm_mode_hsync(const struct drm_display_mode *mode); 921 extern int drm_mode_vrefresh(const struct drm_display_mode *mode); 922 extern void drm_mode_set_crtcinfo(struct drm_display_mode *p, 923 int adjust_flags); 924 extern void drm_mode_connector_list_update(struct drm_connector *connector); 925 extern int drm_mode_connector_update_edid_property(struct drm_connector *connector, 926 struct edid *edid); 927 extern int drm_object_property_set_value(struct drm_mode_object *obj, 928 struct drm_property *property, 929 uint64_t val); 930 extern int drm_object_property_get_value(struct drm_mode_object *obj, 931 struct drm_property *property, 932 uint64_t *value); 933 extern struct drm_display_mode *drm_crtc_mode_create(struct drm_device *dev); 934 extern void drm_framebuffer_set_object(struct drm_device *dev, 935 unsigned long handle); 936 extern int drm_framebuffer_init(struct drm_device *dev, 937 struct drm_framebuffer *fb, 938 const struct drm_framebuffer_funcs *funcs); 939 extern void drm_framebuffer_unreference(struct drm_framebuffer *fb); 940 extern void drm_framebuffer_reference(struct drm_framebuffer *fb); 941 extern void drm_framebuffer_remove(struct drm_framebuffer *fb); 942 extern void drm_framebuffer_cleanup(struct drm_framebuffer *fb); 943 extern int drmfb_probe(struct drm_device *dev, struct drm_crtc *crtc); 944 extern int drmfb_remove(struct drm_device *dev, struct drm_framebuffer *fb); 945 extern void drm_crtc_probe_connector_modes(struct drm_device *dev, int maxX, int maxY); 946 extern bool drm_crtc_in_use(struct drm_crtc *crtc); 947 948 extern void drm_object_attach_property(struct drm_mode_object *obj, 949 struct drm_property *property, 950 uint64_t init_val); 951 extern struct drm_property *drm_property_create(struct drm_device *dev, int flags, 952 const char *name, int num_values); 953 extern struct drm_property *drm_property_create_enum(struct drm_device *dev, int flags, 954 const char *name, 955 const struct drm_prop_enum_list *props, 956 int num_values); 957 struct drm_property *drm_property_create_bitmask(struct drm_device *dev, 958 int flags, const char *name, 959 const struct drm_prop_enum_list *props, 960 int num_values); 961 struct drm_property *drm_property_create_range(struct drm_device *dev, int flags, 962 const char *name, 963 uint64_t min, uint64_t max); 964 extern void drm_property_destroy(struct drm_device *dev, struct drm_property *property); 965 extern int drm_property_add_enum(struct drm_property *property, int index, 966 uint64_t value, const char *name); 967 extern int drm_mode_create_dvi_i_properties(struct drm_device *dev); 968 extern int drm_mode_create_tv_properties(struct drm_device *dev, int num_formats, 969 char *formats[]); 970 extern int drm_mode_create_scaling_mode_property(struct drm_device *dev); 971 extern int drm_mode_create_dithering_property(struct drm_device *dev); 972 extern int drm_mode_create_dirty_info_property(struct drm_device *dev); 973 extern char *drm_get_encoder_name(struct drm_encoder *encoder); 974 975 extern int drm_mode_connector_attach_encoder(struct drm_connector *connector, 976 struct drm_encoder *encoder); 977 extern void drm_mode_connector_detach_encoder(struct drm_connector *connector, 978 struct drm_encoder *encoder); 979 extern int drm_mode_crtc_set_gamma_size(struct drm_crtc *crtc, 980 int gamma_size); 981 extern struct drm_mode_object *drm_mode_object_find(struct drm_device *dev, 982 uint32_t id, uint32_t type); 983 /* IOCTLs */ 984 extern int drm_mode_getresources(struct drm_device *dev, 985 void *data, struct drm_file *file_priv); 986 extern int drm_mode_getplane_res(struct drm_device *dev, void *data, 987 struct drm_file *file_priv); 988 extern int drm_mode_getcrtc(struct drm_device *dev, 989 void *data, struct drm_file *file_priv); 990 extern int drm_mode_getconnector(struct drm_device *dev, 991 void *data, struct drm_file *file_priv); 992 extern int drm_mode_setcrtc(struct drm_device *dev, 993 void *data, struct drm_file *file_priv); 994 extern int drm_mode_getplane(struct drm_device *dev, 995 void *data, struct drm_file *file_priv); 996 extern int drm_mode_setplane(struct drm_device *dev, 997 void *data, struct drm_file *file_priv); 998 extern int drm_mode_cursor_ioctl(struct drm_device *dev, 999 void *data, struct drm_file *file_priv); 1000 extern int drm_mode_addfb(struct drm_device *dev, 1001 void *data, struct drm_file *file_priv); 1002 extern int drm_mode_addfb2(struct drm_device *dev, 1003 void *data, struct drm_file *file_priv); 1004 extern uint32_t drm_mode_legacy_fb_format(uint32_t bpp, uint32_t depth); 1005 extern int drm_mode_rmfb(struct drm_device *dev, 1006 void *data, struct drm_file *file_priv); 1007 extern int drm_mode_getfb(struct drm_device *dev, 1008 void *data, struct drm_file *file_priv); 1009 extern int drm_mode_dirtyfb_ioctl(struct drm_device *dev, 1010 void *data, struct drm_file *file_priv); 1011 extern int drm_mode_addmode_ioctl(struct drm_device *dev, 1012 void *data, struct drm_file *file_priv); 1013 extern int drm_mode_rmmode_ioctl(struct drm_device *dev, 1014 void *data, struct drm_file *file_priv); 1015 extern int drm_mode_attachmode_ioctl(struct drm_device *dev, 1016 void *data, struct drm_file *file_priv); 1017 extern int drm_mode_detachmode_ioctl(struct drm_device *dev, 1018 void *data, struct drm_file *file_priv); 1019 1020 extern int drm_mode_getproperty_ioctl(struct drm_device *dev, 1021 void *data, struct drm_file *file_priv); 1022 extern int drm_mode_getblob_ioctl(struct drm_device *dev, 1023 void *data, struct drm_file *file_priv); 1024 extern int drm_mode_connector_property_set_ioctl(struct drm_device *dev, 1025 void *data, struct drm_file *file_priv); 1026 extern int drm_mode_hotplug_ioctl(struct drm_device *dev, 1027 void *data, struct drm_file *file_priv); 1028 extern int drm_mode_replacefb(struct drm_device *dev, 1029 void *data, struct drm_file *file_priv); 1030 extern int drm_mode_getencoder(struct drm_device *dev, 1031 void *data, struct drm_file *file_priv); 1032 extern int drm_mode_gamma_get_ioctl(struct drm_device *dev, 1033 void *data, struct drm_file *file_priv); 1034 extern int drm_mode_gamma_set_ioctl(struct drm_device *dev, 1035 void *data, struct drm_file *file_priv); 1036 extern u8 *drm_find_cea_extension(struct edid *edid); 1037 extern u8 drm_match_cea_mode(struct drm_display_mode *to_match); 1038 extern bool drm_detect_hdmi_monitor(struct edid *edid); 1039 extern bool drm_detect_monitor_audio(struct edid *edid); 1040 extern int drm_mode_page_flip_ioctl(struct drm_device *dev, 1041 void *data, struct drm_file *file_priv); 1042 extern struct drm_display_mode *drm_cvt_mode(struct drm_device *dev, 1043 int hdisplay, int vdisplay, int vrefresh, 1044 bool reduced, bool interlaced, bool margins); 1045 extern struct drm_display_mode *drm_gtf_mode(struct drm_device *dev, 1046 int hdisplay, int vdisplay, int vrefresh, 1047 bool interlaced, int margins); 1048 extern struct drm_display_mode *drm_gtf_mode_complex(struct drm_device *dev, 1049 int hdisplay, int vdisplay, int vrefresh, 1050 bool interlaced, int margins, int GTF_M, 1051 int GTF_2C, int GTF_K, int GTF_2J); 1052 extern int drm_add_modes_noedid(struct drm_connector *connector, 1053 int hdisplay, int vdisplay); 1054 extern uint8_t drm_mode_cea_vic(const struct drm_display_mode *mode); 1055 1056 extern int drm_edid_header_is_valid(const u8 *raw_edid); 1057 extern bool drm_edid_block_valid(u8 *raw_edid, int block, bool print_bad_edid); 1058 extern bool drm_edid_is_valid(struct edid *edid); 1059 struct drm_display_mode *drm_mode_find_dmt(struct drm_device *dev, 1060 int hsize, int vsize, int fresh, 1061 bool rb); 1062 1063 extern int drm_mode_create_dumb_ioctl(struct drm_device *dev, 1064 void *data, struct drm_file *file_priv); 1065 extern int drm_mode_mmap_dumb_ioctl(struct drm_device *dev, 1066 void *data, struct drm_file *file_priv); 1067 extern int drm_mode_destroy_dumb_ioctl(struct drm_device *dev, 1068 void *data, struct drm_file *file_priv); 1069 extern int drm_mode_obj_get_properties_ioctl(struct drm_device *dev, void *data, 1070 struct drm_file *file_priv); 1071 extern int drm_mode_obj_set_property_ioctl(struct drm_device *dev, void *data, 1072 struct drm_file *file_priv); 1073 1074 extern void drm_fb_get_bpp_depth(uint32_t format, unsigned int *depth, 1075 int *bpp); 1076 extern int drm_format_num_planes(uint32_t format); 1077 extern int drm_format_plane_cpp(uint32_t format, int plane); 1078 extern int drm_format_horz_chroma_subsampling(uint32_t format); 1079 extern int drm_format_vert_chroma_subsampling(uint32_t format); 1080 1081 #endif /* __DRM_CRTC_H__ */ 1082