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 <linux/i2c.h> 29 #include <linux/spinlock.h> 30 #include <linux/types.h> 31 #include <linux/idr.h> 32 33 #include <linux/fb.h> 34 35 struct drm_device; 36 struct drm_mode_set; 37 struct drm_framebuffer; 38 39 40 #define DRM_MODE_OBJECT_CRTC 0xcccccccc 41 #define DRM_MODE_OBJECT_CONNECTOR 0xc0c0c0c0 42 #define DRM_MODE_OBJECT_ENCODER 0xe0e0e0e0 43 #define DRM_MODE_OBJECT_MODE 0xdededede 44 #define DRM_MODE_OBJECT_PROPERTY 0xb0b0b0b0 45 #define DRM_MODE_OBJECT_FB 0xfbfbfbfb 46 #define DRM_MODE_OBJECT_BLOB 0xbbbbbbbb 47 48 struct drm_mode_object { 49 uint32_t id; 50 uint32_t type; 51 }; 52 53 /* 54 * Note on terminology: here, for brevity and convenience, we refer to connector 55 * control chips as 'CRTCs'. They can control any type of connector, VGA, LVDS, 56 * DVI, etc. And 'screen' refers to the whole of the visible display, which 57 * may span multiple monitors (and therefore multiple CRTC and connector 58 * structures). 59 */ 60 61 enum drm_mode_status { 62 MODE_OK = 0, /* Mode OK */ 63 MODE_HSYNC, /* hsync out of range */ 64 MODE_VSYNC, /* vsync out of range */ 65 MODE_H_ILLEGAL, /* mode has illegal horizontal timings */ 66 MODE_V_ILLEGAL, /* mode has illegal horizontal timings */ 67 MODE_BAD_WIDTH, /* requires an unsupported linepitch */ 68 MODE_NOMODE, /* no mode with a matching name */ 69 MODE_NO_INTERLACE, /* interlaced mode not supported */ 70 MODE_NO_DBLESCAN, /* doublescan mode not supported */ 71 MODE_NO_VSCAN, /* multiscan mode not supported */ 72 MODE_MEM, /* insufficient video memory */ 73 MODE_VIRTUAL_X, /* mode width too large for specified virtual size */ 74 MODE_VIRTUAL_Y, /* mode height too large for specified virtual size */ 75 MODE_MEM_VIRT, /* insufficient video memory given virtual size */ 76 MODE_NOCLOCK, /* no fixed clock available */ 77 MODE_CLOCK_HIGH, /* clock required is too high */ 78 MODE_CLOCK_LOW, /* clock required is too low */ 79 MODE_CLOCK_RANGE, /* clock/mode isn't in a ClockRange */ 80 MODE_BAD_HVALUE, /* horizontal timing was out of range */ 81 MODE_BAD_VVALUE, /* vertical timing was out of range */ 82 MODE_BAD_VSCAN, /* VScan value out of range */ 83 MODE_HSYNC_NARROW, /* horizontal sync too narrow */ 84 MODE_HSYNC_WIDE, /* horizontal sync too wide */ 85 MODE_HBLANK_NARROW, /* horizontal blanking too narrow */ 86 MODE_HBLANK_WIDE, /* horizontal blanking too wide */ 87 MODE_VSYNC_NARROW, /* vertical sync too narrow */ 88 MODE_VSYNC_WIDE, /* vertical sync too wide */ 89 MODE_VBLANK_NARROW, /* vertical blanking too narrow */ 90 MODE_VBLANK_WIDE, /* vertical blanking too wide */ 91 MODE_PANEL, /* exceeds panel dimensions */ 92 MODE_INTERLACE_WIDTH, /* width too large for interlaced mode */ 93 MODE_ONE_WIDTH, /* only one width is supported */ 94 MODE_ONE_HEIGHT, /* only one height is supported */ 95 MODE_ONE_SIZE, /* only one resolution is supported */ 96 MODE_NO_REDUCED, /* monitor doesn't accept reduced blanking */ 97 MODE_UNVERIFIED = -3, /* mode needs to reverified */ 98 MODE_BAD = -2, /* unspecified reason */ 99 MODE_ERROR = -1 /* error condition */ 100 }; 101 102 #define DRM_MODE_TYPE_CLOCK_CRTC_C (DRM_MODE_TYPE_CLOCK_C | \ 103 DRM_MODE_TYPE_CRTC_C) 104 105 #define DRM_MODE(nm, t, c, hd, hss, hse, ht, hsk, vd, vss, vse, vt, vs, f) \ 106 .name = nm, .status = 0, .type = (t), .clock = (c), \ 107 .hdisplay = (hd), .hsync_start = (hss), .hsync_end = (hse), \ 108 .htotal = (ht), .hskew = (hsk), .vdisplay = (vd), \ 109 .vsync_start = (vss), .vsync_end = (vse), .vtotal = (vt), \ 110 .vscan = (vs), .flags = (f), .vrefresh = 0 111 112 #define CRTC_INTERLACE_HALVE_V 0x1 /* halve V values for interlacing */ 113 114 struct drm_display_mode { 115 /* Header */ 116 struct list_head head; 117 struct drm_mode_object base; 118 119 char name[DRM_DISPLAY_MODE_LEN]; 120 121 int connector_count; 122 enum drm_mode_status status; 123 int type; 124 125 /* Proposed mode values */ 126 int clock; /* in kHz */ 127 int hdisplay; 128 int hsync_start; 129 int hsync_end; 130 int htotal; 131 int hskew; 132 int vdisplay; 133 int vsync_start; 134 int vsync_end; 135 int vtotal; 136 int vscan; 137 unsigned int flags; 138 139 /* Addressable image size (may be 0 for projectors, etc.) */ 140 int width_mm; 141 int height_mm; 142 143 /* Actual mode we give to hw */ 144 int clock_index; 145 int synth_clock; 146 int crtc_hdisplay; 147 int crtc_hblank_start; 148 int crtc_hblank_end; 149 int crtc_hsync_start; 150 int crtc_hsync_end; 151 int crtc_htotal; 152 int crtc_hskew; 153 int crtc_vdisplay; 154 int crtc_vblank_start; 155 int crtc_vblank_end; 156 int crtc_vsync_start; 157 int crtc_vsync_end; 158 int crtc_vtotal; 159 int crtc_hadjusted; 160 int crtc_vadjusted; 161 162 /* Driver private mode info */ 163 int private_size; 164 int *private; 165 int private_flags; 166 167 int vrefresh; /* in Hz */ 168 int hsync; /* in kHz */ 169 }; 170 171 enum drm_connector_status { 172 connector_status_connected = 1, 173 connector_status_disconnected = 2, 174 connector_status_unknown = 3, 175 }; 176 177 enum subpixel_order { 178 SubPixelUnknown = 0, 179 SubPixelHorizontalRGB, 180 SubPixelHorizontalBGR, 181 SubPixelVerticalRGB, 182 SubPixelVerticalBGR, 183 SubPixelNone, 184 }; 185 186 187 /* 188 * Describes a given display (e.g. CRT or flat panel) and its limitations. 189 */ 190 struct drm_display_info { 191 char name[DRM_DISPLAY_INFO_LEN]; 192 193 /* Physical size */ 194 unsigned int width_mm; 195 unsigned int height_mm; 196 197 /* Clock limits FIXME: storage format */ 198 unsigned int min_vfreq, max_vfreq; 199 unsigned int min_hfreq, max_hfreq; 200 unsigned int pixel_clock; 201 202 enum subpixel_order subpixel_order; 203 204 char *raw_edid; /* if any */ 205 }; 206 207 struct drm_framebuffer_funcs { 208 void (*destroy)(struct drm_framebuffer *framebuffer); 209 int (*create_handle)(struct drm_framebuffer *fb, 210 struct drm_file *file_priv, 211 unsigned int *handle); 212 /** 213 * Optinal callback for the dirty fb ioctl. 214 * 215 * Userspace can notify the driver via this callback 216 * that a area of the framebuffer has changed and should 217 * be flushed to the display hardware. 218 * 219 * See documentation in drm_mode.h for the struct 220 * drm_mode_fb_dirty_cmd for more information as all 221 * the semantics and arguments have a one to one mapping 222 * on this function. 223 */ 224 int (*dirty)(struct drm_framebuffer *framebuffer, 225 struct drm_file *file_priv, unsigned flags, 226 unsigned color, struct drm_clip_rect *clips, 227 unsigned num_clips); 228 }; 229 230 struct drm_framebuffer { 231 struct drm_device *dev; 232 struct list_head head; 233 struct drm_mode_object base; 234 const struct drm_framebuffer_funcs *funcs; 235 unsigned int pitch; 236 unsigned int width; 237 unsigned int height; 238 /* depth can be 15 or 16 */ 239 unsigned int depth; 240 int bits_per_pixel; 241 int flags; 242 struct list_head filp_head; 243 /* if you are using the helper */ 244 void *helper_private; 245 }; 246 247 struct drm_property_blob { 248 struct drm_mode_object base; 249 struct list_head head; 250 unsigned int length; 251 void *data; 252 }; 253 254 struct drm_property_enum { 255 uint64_t value; 256 struct list_head head; 257 char name[DRM_PROP_NAME_LEN]; 258 }; 259 260 struct drm_property { 261 struct list_head head; 262 struct drm_mode_object base; 263 uint32_t flags; 264 char name[DRM_PROP_NAME_LEN]; 265 uint32_t num_values; 266 uint64_t *values; 267 268 struct list_head enum_blob_list; 269 }; 270 271 struct drm_crtc; 272 struct drm_connector; 273 struct drm_encoder; 274 struct drm_pending_vblank_event; 275 276 /** 277 * drm_crtc_funcs - control CRTCs for a given device 278 * @reset: reset CRTC after state has been invalidate (e.g. resume) 279 * @dpms: control display power levels 280 * @save: save CRTC state 281 * @resore: restore CRTC state 282 * @lock: lock the CRTC 283 * @unlock: unlock the CRTC 284 * @shadow_allocate: allocate shadow pixmap 285 * @shadow_create: create shadow pixmap for rotation support 286 * @shadow_destroy: free shadow pixmap 287 * @mode_fixup: fixup proposed mode 288 * @mode_set: set the desired mode on the CRTC 289 * @gamma_set: specify color ramp for CRTC 290 * @destroy: deinit and free object. 291 * 292 * The drm_crtc_funcs structure is the central CRTC management structure 293 * in the DRM. Each CRTC controls one or more connectors (note that the name 294 * CRTC is simply historical, a CRTC may control LVDS, VGA, DVI, TV out, etc. 295 * connectors, not just CRTs). 296 * 297 * Each driver is responsible for filling out this structure at startup time, 298 * in addition to providing other modesetting features, like i2c and DDC 299 * bus accessors. 300 */ 301 struct drm_crtc_funcs { 302 /* Save CRTC state */ 303 void (*save)(struct drm_crtc *crtc); /* suspend? */ 304 /* Restore CRTC state */ 305 void (*restore)(struct drm_crtc *crtc); /* resume? */ 306 /* Reset CRTC state */ 307 void (*reset)(struct drm_crtc *crtc); 308 309 /* cursor controls */ 310 int (*cursor_set)(struct drm_crtc *crtc, struct drm_file *file_priv, 311 uint32_t handle, uint32_t width, uint32_t height); 312 int (*cursor_move)(struct drm_crtc *crtc, int x, int y); 313 314 /* Set gamma on the CRTC */ 315 void (*gamma_set)(struct drm_crtc *crtc, u16 *r, u16 *g, u16 *b, 316 uint32_t start, uint32_t size); 317 /* Object destroy routine */ 318 void (*destroy)(struct drm_crtc *crtc); 319 320 int (*set_config)(struct drm_mode_set *set); 321 322 /* 323 * Flip to the given framebuffer. This implements the page 324 * flip ioctl described in drm_mode.h, specifically, the 325 * implementation must return immediately and block all 326 * rendering to the current fb until the flip has completed. 327 * If userspace set the event flag in the ioctl, the event 328 * argument will point to an event to send back when the flip 329 * completes, otherwise it will be NULL. 330 */ 331 int (*page_flip)(struct drm_crtc *crtc, 332 struct drm_framebuffer *fb, 333 struct drm_pending_vblank_event *event); 334 }; 335 336 /** 337 * drm_crtc - central CRTC control structure 338 * @enabled: is this CRTC enabled? 339 * @x: x position on screen 340 * @y: y position on screen 341 * @funcs: CRTC control functions 342 * 343 * Each CRTC may have one or more connectors associated with it. This structure 344 * allows the CRTC to be controlled. 345 */ 346 struct drm_crtc { 347 struct drm_device *dev; 348 struct list_head head; 349 350 struct drm_mode_object base; 351 352 /* framebuffer the connector is currently bound to */ 353 struct drm_framebuffer *fb; 354 355 bool enabled; 356 357 /* Requested mode from modesetting. */ 358 struct drm_display_mode mode; 359 360 /* Programmed mode in hw, after adjustments for encoders, 361 * crtc, panel scaling etc. Needed for timestamping etc. 362 */ 363 struct drm_display_mode hwmode; 364 365 int x, y; 366 const struct drm_crtc_funcs *funcs; 367 368 /* CRTC gamma size for reporting to userspace */ 369 uint32_t gamma_size; 370 uint16_t *gamma_store; 371 372 /* Constants needed for precise vblank and swap timestamping. */ 373 s64 framedur_ns, linedur_ns, pixeldur_ns; 374 375 /* if you are using the helper */ 376 void *helper_private; 377 }; 378 379 380 /** 381 * drm_connector_funcs - control connectors on a given device 382 * @dpms: set power state (see drm_crtc_funcs above) 383 * @save: save connector state 384 * @restore: restore connector state 385 * @reset: reset connector after state has been invalidate (e.g. resume) 386 * @mode_valid: is this mode valid on the given connector? 387 * @mode_fixup: try to fixup proposed mode for this connector 388 * @mode_set: set this mode 389 * @detect: is this connector active? 390 * @get_modes: get mode list for this connector 391 * @set_property: property for this connector may need update 392 * @destroy: make object go away 393 * @force: notify the driver the connector is forced on 394 * 395 * Each CRTC may have one or more connectors attached to it. The functions 396 * below allow the core DRM code to control connectors, enumerate available modes, 397 * etc. 398 */ 399 struct drm_connector_funcs { 400 void (*dpms)(struct drm_connector *connector, int mode); 401 void (*save)(struct drm_connector *connector); 402 void (*restore)(struct drm_connector *connector); 403 void (*reset)(struct drm_connector *connector); 404 405 /* Check to see if anything is attached to the connector. 406 * @force is set to false whilst polling, true when checking the 407 * connector due to user request. @force can be used by the driver 408 * to avoid expensive, destructive operations during automated 409 * probing. 410 */ 411 enum drm_connector_status (*detect)(struct drm_connector *connector, 412 bool force); 413 int (*fill_modes)(struct drm_connector *connector, uint32_t max_width, uint32_t max_height); 414 int (*set_property)(struct drm_connector *connector, struct drm_property *property, 415 uint64_t val); 416 void (*destroy)(struct drm_connector *connector); 417 void (*force)(struct drm_connector *connector); 418 }; 419 420 struct drm_encoder_funcs { 421 void (*reset)(struct drm_encoder *encoder); 422 void (*destroy)(struct drm_encoder *encoder); 423 }; 424 425 #define DRM_CONNECTOR_MAX_UMODES 16 426 #define DRM_CONNECTOR_MAX_PROPERTY 16 427 #define DRM_CONNECTOR_LEN 32 428 #define DRM_CONNECTOR_MAX_ENCODER 2 429 430 /** 431 * drm_encoder - central DRM encoder structure 432 */ 433 struct drm_encoder { 434 struct drm_device *dev; 435 struct list_head head; 436 437 struct drm_mode_object base; 438 int encoder_type; 439 uint32_t possible_crtcs; 440 uint32_t possible_clones; 441 442 struct drm_crtc *crtc; 443 const struct drm_encoder_funcs *funcs; 444 void *helper_private; 445 }; 446 447 enum drm_connector_force { 448 DRM_FORCE_UNSPECIFIED, 449 DRM_FORCE_OFF, 450 DRM_FORCE_ON, /* force on analog part normally */ 451 DRM_FORCE_ON_DIGITAL, /* for DVI-I use digital connector */ 452 }; 453 454 /* should we poll this connector for connects and disconnects */ 455 /* hot plug detectable */ 456 #define DRM_CONNECTOR_POLL_HPD (1 << 0) 457 /* poll for connections */ 458 #define DRM_CONNECTOR_POLL_CONNECT (1 << 1) 459 /* can cleanly poll for disconnections without flickering the screen */ 460 /* DACs should rarely do this without a lot of testing */ 461 #define DRM_CONNECTOR_POLL_DISCONNECT (1 << 2) 462 463 /** 464 * drm_connector - central DRM connector control structure 465 * @crtc: CRTC this connector is currently connected to, NULL if none 466 * @interlace_allowed: can this connector handle interlaced modes? 467 * @doublescan_allowed: can this connector handle doublescan? 468 * @available_modes: modes available on this connector (from get_modes() + user) 469 * @initial_x: initial x position for this connector 470 * @initial_y: initial y position for this connector 471 * @status: connector connected? 472 * @funcs: connector control functions 473 * 474 * Each connector may be connected to one or more CRTCs, or may be clonable by 475 * another connector if they can share a CRTC. Each connector also has a specific 476 * position in the broader display (referred to as a 'screen' though it could 477 * span multiple monitors). 478 */ 479 struct drm_connector { 480 struct drm_device *dev; 481 struct device kdev; 482 struct device_attribute *attr; 483 struct list_head head; 484 485 struct drm_mode_object base; 486 487 int connector_type; 488 int connector_type_id; 489 bool interlace_allowed; 490 bool doublescan_allowed; 491 struct list_head modes; /* list of modes on this connector */ 492 493 int initial_x, initial_y; 494 enum drm_connector_status status; 495 496 /* these are modes added by probing with DDC or the BIOS */ 497 struct list_head probed_modes; 498 499 struct drm_display_info display_info; 500 const struct drm_connector_funcs *funcs; 501 502 struct list_head user_modes; 503 struct drm_property_blob *edid_blob_ptr; 504 u32 property_ids[DRM_CONNECTOR_MAX_PROPERTY]; 505 uint64_t property_values[DRM_CONNECTOR_MAX_PROPERTY]; 506 507 uint8_t polled; /* DRM_CONNECTOR_POLL_* */ 508 509 /* requested DPMS state */ 510 int dpms; 511 512 void *helper_private; 513 514 /* forced on connector */ 515 enum drm_connector_force force; 516 uint32_t encoder_ids[DRM_CONNECTOR_MAX_ENCODER]; 517 uint32_t force_encoder_id; 518 struct drm_encoder *encoder; /* currently active encoder */ 519 }; 520 521 /** 522 * struct drm_mode_set 523 * 524 * Represents a single crtc the connectors that it drives with what mode 525 * and from which framebuffer it scans out from. 526 * 527 * This is used to set modes. 528 */ 529 struct drm_mode_set { 530 struct list_head head; 531 532 struct drm_framebuffer *fb; 533 struct drm_crtc *crtc; 534 struct drm_display_mode *mode; 535 536 uint32_t x; 537 uint32_t y; 538 539 struct drm_connector **connectors; 540 size_t num_connectors; 541 }; 542 543 /** 544 * struct drm_mode_config_funcs - configure CRTCs for a given screen layout 545 */ 546 struct drm_mode_config_funcs { 547 struct drm_framebuffer *(*fb_create)(struct drm_device *dev, struct drm_file *file_priv, struct drm_mode_fb_cmd *mode_cmd); 548 void (*output_poll_changed)(struct drm_device *dev); 549 }; 550 551 struct drm_mode_group { 552 uint32_t num_crtcs; 553 uint32_t num_encoders; 554 uint32_t num_connectors; 555 556 /* list of object IDs for this group */ 557 uint32_t *id_list; 558 }; 559 560 /** 561 * drm_mode_config - Mode configuration control structure 562 * 563 */ 564 struct drm_mode_config { 565 struct mutex mutex; /* protects configuration (mode lists etc.) */ 566 struct mutex idr_mutex; /* for IDR management */ 567 struct idr crtc_idr; /* use this idr for all IDs, fb, crtc, connector, modes - just makes life easier */ 568 /* this is limited to one for now */ 569 int num_fb; 570 struct list_head fb_list; 571 int num_connector; 572 struct list_head connector_list; 573 int num_encoder; 574 struct list_head encoder_list; 575 576 int num_crtc; 577 struct list_head crtc_list; 578 579 struct list_head property_list; 580 581 int min_width, min_height; 582 int max_width, max_height; 583 struct drm_mode_config_funcs *funcs; 584 resource_size_t fb_base; 585 586 /* output poll support */ 587 bool poll_enabled; 588 struct delayed_work output_poll_work; 589 590 /* pointers to standard properties */ 591 struct list_head property_blob_list; 592 struct drm_property *edid_property; 593 struct drm_property *dpms_property; 594 595 /* DVI-I properties */ 596 struct drm_property *dvi_i_subconnector_property; 597 struct drm_property *dvi_i_select_subconnector_property; 598 599 /* TV properties */ 600 struct drm_property *tv_subconnector_property; 601 struct drm_property *tv_select_subconnector_property; 602 struct drm_property *tv_mode_property; 603 struct drm_property *tv_left_margin_property; 604 struct drm_property *tv_right_margin_property; 605 struct drm_property *tv_top_margin_property; 606 struct drm_property *tv_bottom_margin_property; 607 struct drm_property *tv_brightness_property; 608 struct drm_property *tv_contrast_property; 609 struct drm_property *tv_flicker_reduction_property; 610 struct drm_property *tv_overscan_property; 611 struct drm_property *tv_saturation_property; 612 struct drm_property *tv_hue_property; 613 614 /* Optional properties */ 615 struct drm_property *scaling_mode_property; 616 struct drm_property *dithering_mode_property; 617 struct drm_property *dirty_info_property; 618 }; 619 620 #define obj_to_crtc(x) container_of(x, struct drm_crtc, base) 621 #define obj_to_connector(x) container_of(x, struct drm_connector, base) 622 #define obj_to_encoder(x) container_of(x, struct drm_encoder, base) 623 #define obj_to_mode(x) container_of(x, struct drm_display_mode, base) 624 #define obj_to_fb(x) container_of(x, struct drm_framebuffer, base) 625 #define obj_to_property(x) container_of(x, struct drm_property, base) 626 #define obj_to_blob(x) container_of(x, struct drm_property_blob, base) 627 628 629 extern void drm_crtc_init(struct drm_device *dev, 630 struct drm_crtc *crtc, 631 const struct drm_crtc_funcs *funcs); 632 extern void drm_crtc_cleanup(struct drm_crtc *crtc); 633 634 extern void drm_connector_init(struct drm_device *dev, 635 struct drm_connector *connector, 636 const struct drm_connector_funcs *funcs, 637 int connector_type); 638 639 extern void drm_connector_cleanup(struct drm_connector *connector); 640 641 extern void drm_encoder_init(struct drm_device *dev, 642 struct drm_encoder *encoder, 643 const struct drm_encoder_funcs *funcs, 644 int encoder_type); 645 646 extern void drm_encoder_cleanup(struct drm_encoder *encoder); 647 648 extern char *drm_get_connector_name(struct drm_connector *connector); 649 extern char *drm_get_dpms_name(int val); 650 extern char *drm_get_dvi_i_subconnector_name(int val); 651 extern char *drm_get_dvi_i_select_name(int val); 652 extern char *drm_get_tv_subconnector_name(int val); 653 extern char *drm_get_tv_select_name(int val); 654 extern void drm_fb_release(struct drm_file *file_priv); 655 extern int drm_mode_group_init_legacy_group(struct drm_device *dev, struct drm_mode_group *group); 656 extern struct edid *drm_get_edid(struct drm_connector *connector, 657 struct i2c_adapter *adapter); 658 extern int drm_add_edid_modes(struct drm_connector *connector, struct edid *edid); 659 extern void drm_mode_probed_add(struct drm_connector *connector, struct drm_display_mode *mode); 660 extern void drm_mode_remove(struct drm_connector *connector, struct drm_display_mode *mode); 661 extern struct drm_display_mode *drm_mode_duplicate(struct drm_device *dev, 662 const struct drm_display_mode *mode); 663 extern void drm_mode_debug_printmodeline(struct drm_display_mode *mode); 664 extern void drm_mode_config_init(struct drm_device *dev); 665 extern void drm_mode_config_reset(struct drm_device *dev); 666 extern void drm_mode_config_cleanup(struct drm_device *dev); 667 extern void drm_mode_set_name(struct drm_display_mode *mode); 668 extern bool drm_mode_equal(struct drm_display_mode *mode1, struct drm_display_mode *mode2); 669 extern int drm_mode_width(struct drm_display_mode *mode); 670 extern int drm_mode_height(struct drm_display_mode *mode); 671 672 /* for us by fb module */ 673 extern int drm_mode_attachmode_crtc(struct drm_device *dev, 674 struct drm_crtc *crtc, 675 struct drm_display_mode *mode); 676 extern int drm_mode_detachmode_crtc(struct drm_device *dev, struct drm_display_mode *mode); 677 678 extern struct drm_display_mode *drm_mode_create(struct drm_device *dev); 679 extern void drm_mode_destroy(struct drm_device *dev, struct drm_display_mode *mode); 680 extern void drm_mode_list_concat(struct list_head *head, 681 struct list_head *new); 682 extern void drm_mode_validate_size(struct drm_device *dev, 683 struct list_head *mode_list, 684 int maxX, int maxY, int maxPitch); 685 extern void drm_mode_prune_invalid(struct drm_device *dev, 686 struct list_head *mode_list, bool verbose); 687 extern void drm_mode_sort(struct list_head *mode_list); 688 extern int drm_mode_hsync(const struct drm_display_mode *mode); 689 extern int drm_mode_vrefresh(const struct drm_display_mode *mode); 690 extern void drm_mode_set_crtcinfo(struct drm_display_mode *p, 691 int adjust_flags); 692 extern void drm_mode_connector_list_update(struct drm_connector *connector); 693 extern int drm_mode_connector_update_edid_property(struct drm_connector *connector, 694 struct edid *edid); 695 extern int drm_connector_property_set_value(struct drm_connector *connector, 696 struct drm_property *property, 697 uint64_t value); 698 extern int drm_connector_property_get_value(struct drm_connector *connector, 699 struct drm_property *property, 700 uint64_t *value); 701 extern struct drm_display_mode *drm_crtc_mode_create(struct drm_device *dev); 702 extern void drm_framebuffer_set_object(struct drm_device *dev, 703 unsigned long handle); 704 extern int drm_framebuffer_init(struct drm_device *dev, 705 struct drm_framebuffer *fb, 706 const struct drm_framebuffer_funcs *funcs); 707 extern void drm_framebuffer_cleanup(struct drm_framebuffer *fb); 708 extern int drmfb_probe(struct drm_device *dev, struct drm_crtc *crtc); 709 extern int drmfb_remove(struct drm_device *dev, struct drm_framebuffer *fb); 710 extern void drm_crtc_probe_connector_modes(struct drm_device *dev, int maxX, int maxY); 711 extern bool drm_crtc_in_use(struct drm_crtc *crtc); 712 713 extern int drm_connector_attach_property(struct drm_connector *connector, 714 struct drm_property *property, uint64_t init_val); 715 extern struct drm_property *drm_property_create(struct drm_device *dev, int flags, 716 const char *name, int num_values); 717 extern void drm_property_destroy(struct drm_device *dev, struct drm_property *property); 718 extern int drm_property_add_enum(struct drm_property *property, int index, 719 uint64_t value, const char *name); 720 extern int drm_mode_create_dvi_i_properties(struct drm_device *dev); 721 extern int drm_mode_create_tv_properties(struct drm_device *dev, int num_formats, 722 char *formats[]); 723 extern int drm_mode_create_scaling_mode_property(struct drm_device *dev); 724 extern int drm_mode_create_dithering_property(struct drm_device *dev); 725 extern int drm_mode_create_dirty_info_property(struct drm_device *dev); 726 extern char *drm_get_encoder_name(struct drm_encoder *encoder); 727 728 extern int drm_mode_connector_attach_encoder(struct drm_connector *connector, 729 struct drm_encoder *encoder); 730 extern void drm_mode_connector_detach_encoder(struct drm_connector *connector, 731 struct drm_encoder *encoder); 732 extern bool drm_mode_crtc_set_gamma_size(struct drm_crtc *crtc, 733 int gamma_size); 734 extern struct drm_mode_object *drm_mode_object_find(struct drm_device *dev, 735 uint32_t id, uint32_t type); 736 /* IOCTLs */ 737 extern int drm_mode_getresources(struct drm_device *dev, 738 void *data, struct drm_file *file_priv); 739 740 extern int drm_mode_getcrtc(struct drm_device *dev, 741 void *data, struct drm_file *file_priv); 742 extern int drm_mode_getconnector(struct drm_device *dev, 743 void *data, struct drm_file *file_priv); 744 extern int drm_mode_setcrtc(struct drm_device *dev, 745 void *data, struct drm_file *file_priv); 746 extern int drm_mode_cursor_ioctl(struct drm_device *dev, 747 void *data, struct drm_file *file_priv); 748 extern int drm_mode_addfb(struct drm_device *dev, 749 void *data, struct drm_file *file_priv); 750 extern int drm_mode_rmfb(struct drm_device *dev, 751 void *data, struct drm_file *file_priv); 752 extern int drm_mode_getfb(struct drm_device *dev, 753 void *data, struct drm_file *file_priv); 754 extern int drm_mode_dirtyfb_ioctl(struct drm_device *dev, 755 void *data, struct drm_file *file_priv); 756 extern int drm_mode_addmode_ioctl(struct drm_device *dev, 757 void *data, struct drm_file *file_priv); 758 extern int drm_mode_rmmode_ioctl(struct drm_device *dev, 759 void *data, struct drm_file *file_priv); 760 extern int drm_mode_attachmode_ioctl(struct drm_device *dev, 761 void *data, struct drm_file *file_priv); 762 extern int drm_mode_detachmode_ioctl(struct drm_device *dev, 763 void *data, struct drm_file *file_priv); 764 765 extern int drm_mode_getproperty_ioctl(struct drm_device *dev, 766 void *data, struct drm_file *file_priv); 767 extern int drm_mode_getblob_ioctl(struct drm_device *dev, 768 void *data, struct drm_file *file_priv); 769 extern int drm_mode_connector_property_set_ioctl(struct drm_device *dev, 770 void *data, struct drm_file *file_priv); 771 extern int drm_mode_hotplug_ioctl(struct drm_device *dev, 772 void *data, struct drm_file *file_priv); 773 extern int drm_mode_replacefb(struct drm_device *dev, 774 void *data, struct drm_file *file_priv); 775 extern int drm_mode_getencoder(struct drm_device *dev, 776 void *data, struct drm_file *file_priv); 777 extern int drm_mode_gamma_get_ioctl(struct drm_device *dev, 778 void *data, struct drm_file *file_priv); 779 extern int drm_mode_gamma_set_ioctl(struct drm_device *dev, 780 void *data, struct drm_file *file_priv); 781 extern bool drm_detect_hdmi_monitor(struct edid *edid); 782 extern bool drm_detect_monitor_audio(struct edid *edid); 783 extern int drm_mode_page_flip_ioctl(struct drm_device *dev, 784 void *data, struct drm_file *file_priv); 785 extern struct drm_display_mode *drm_cvt_mode(struct drm_device *dev, 786 int hdisplay, int vdisplay, int vrefresh, 787 bool reduced, bool interlaced, bool margins); 788 extern struct drm_display_mode *drm_gtf_mode(struct drm_device *dev, 789 int hdisplay, int vdisplay, int vrefresh, 790 bool interlaced, int margins); 791 extern struct drm_display_mode *drm_gtf_mode_complex(struct drm_device *dev, 792 int hdisplay, int vdisplay, int vrefresh, 793 bool interlaced, int margins, int GTF_M, 794 int GTF_2C, int GTF_K, int GTF_2J); 795 extern int drm_add_modes_noedid(struct drm_connector *connector, 796 int hdisplay, int vdisplay); 797 798 extern bool drm_edid_is_valid(struct edid *edid); 799 struct drm_display_mode *drm_mode_find_dmt(struct drm_device *dev, 800 int hsize, int vsize, int fresh); 801 802 extern int drm_mode_create_dumb_ioctl(struct drm_device *dev, 803 void *data, struct drm_file *file_priv); 804 extern int drm_mode_mmap_dumb_ioctl(struct drm_device *dev, 805 void *data, struct drm_file *file_priv); 806 extern int drm_mode_destroy_dumb_ioctl(struct drm_device *dev, 807 void *data, struct drm_file *file_priv); 808 #endif /* __DRM_CRTC_H__ */ 809