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 #include <linux/slow-work.h> 35 36 struct drm_device; 37 struct drm_mode_set; 38 struct drm_framebuffer; 39 40 41 #define DRM_MODE_OBJECT_CRTC 0xcccccccc 42 #define DRM_MODE_OBJECT_CONNECTOR 0xc0c0c0c0 43 #define DRM_MODE_OBJECT_ENCODER 0xe0e0e0e0 44 #define DRM_MODE_OBJECT_MODE 0xdededede 45 #define DRM_MODE_OBJECT_PROPERTY 0xb0b0b0b0 46 #define DRM_MODE_OBJECT_FB 0xfbfbfbfb 47 #define DRM_MODE_OBJECT_BLOB 0xbbbbbbbb 48 49 struct drm_mode_object { 50 uint32_t id; 51 uint32_t type; 52 }; 53 54 /* 55 * Note on terminology: here, for brevity and convenience, we refer to connector 56 * control chips as 'CRTCs'. They can control any type of connector, VGA, LVDS, 57 * DVI, etc. And 'screen' refers to the whole of the visible display, which 58 * may span multiple monitors (and therefore multiple CRTC and connector 59 * structures). 60 */ 61 62 enum drm_mode_status { 63 MODE_OK = 0, /* Mode OK */ 64 MODE_HSYNC, /* hsync out of range */ 65 MODE_VSYNC, /* vsync out of range */ 66 MODE_H_ILLEGAL, /* mode has illegal horizontal timings */ 67 MODE_V_ILLEGAL, /* mode has illegal horizontal timings */ 68 MODE_BAD_WIDTH, /* requires an unsupported linepitch */ 69 MODE_NOMODE, /* no mode with a maching name */ 70 MODE_NO_INTERLACE, /* interlaced mode not supported */ 71 MODE_NO_DBLESCAN, /* doublescan mode not supported */ 72 MODE_NO_VSCAN, /* multiscan mode not supported */ 73 MODE_MEM, /* insufficient video memory */ 74 MODE_VIRTUAL_X, /* mode width too large for specified virtual size */ 75 MODE_VIRTUAL_Y, /* mode height too large for specified virtual size */ 76 MODE_MEM_VIRT, /* insufficient video memory given virtual size */ 77 MODE_NOCLOCK, /* no fixed clock available */ 78 MODE_CLOCK_HIGH, /* clock required is too high */ 79 MODE_CLOCK_LOW, /* clock required is too low */ 80 MODE_CLOCK_RANGE, /* clock/mode isn't in a ClockRange */ 81 MODE_BAD_HVALUE, /* horizontal timing was out of range */ 82 MODE_BAD_VVALUE, /* vertical timing was out of range */ 83 MODE_BAD_VSCAN, /* VScan value out of range */ 84 MODE_HSYNC_NARROW, /* horizontal sync too narrow */ 85 MODE_HSYNC_WIDE, /* horizontal sync too wide */ 86 MODE_HBLANK_NARROW, /* horizontal blanking too narrow */ 87 MODE_HBLANK_WIDE, /* horizontal blanking too wide */ 88 MODE_VSYNC_NARROW, /* vertical sync too narrow */ 89 MODE_VSYNC_WIDE, /* vertical sync too wide */ 90 MODE_VBLANK_NARROW, /* vertical blanking too narrow */ 91 MODE_VBLANK_WIDE, /* vertical blanking too wide */ 92 MODE_PANEL, /* exceeds panel dimensions */ 93 MODE_INTERLACE_WIDTH, /* width too large for interlaced mode */ 94 MODE_ONE_WIDTH, /* only one width is supported */ 95 MODE_ONE_HEIGHT, /* only one height is supported */ 96 MODE_ONE_SIZE, /* only one resolution is supported */ 97 MODE_NO_REDUCED, /* monitor doesn't accept reduced blanking */ 98 MODE_UNVERIFIED = -3, /* mode needs to reverified */ 99 MODE_BAD = -2, /* unspecified reason */ 100 MODE_ERROR = -1 /* error condition */ 101 }; 102 103 #define DRM_MODE_TYPE_CLOCK_CRTC_C (DRM_MODE_TYPE_CLOCK_C | \ 104 DRM_MODE_TYPE_CRTC_C) 105 106 #define DRM_MODE(nm, t, c, hd, hss, hse, ht, hsk, vd, vss, vse, vt, vs, f) \ 107 .name = nm, .status = 0, .type = (t), .clock = (c), \ 108 .hdisplay = (hd), .hsync_start = (hss), .hsync_end = (hse), \ 109 .htotal = (ht), .hskew = (hsk), .vdisplay = (vd), \ 110 .vsync_start = (vss), .vsync_end = (vse), .vtotal = (vt), \ 111 .vscan = (vs), .flags = (f), .vrefresh = 0 112 113 #define CRTC_INTERLACE_HALVE_V 0x1 /* halve V values for interlacing */ 114 115 struct drm_display_mode { 116 /* Header */ 117 struct list_head head; 118 struct drm_mode_object base; 119 120 char name[DRM_DISPLAY_MODE_LEN]; 121 122 int connector_count; 123 enum drm_mode_status status; 124 int type; 125 126 /* Proposed mode values */ 127 int clock; /* in kHz */ 128 int hdisplay; 129 int hsync_start; 130 int hsync_end; 131 int htotal; 132 int hskew; 133 int vdisplay; 134 int vsync_start; 135 int vsync_end; 136 int vtotal; 137 int vscan; 138 unsigned int flags; 139 140 /* Addressable image size (may be 0 for projectors, etc.) */ 141 int width_mm; 142 int height_mm; 143 144 /* Actual mode we give to hw */ 145 int clock_index; 146 int synth_clock; 147 int crtc_hdisplay; 148 int crtc_hblank_start; 149 int crtc_hblank_end; 150 int crtc_hsync_start; 151 int crtc_hsync_end; 152 int crtc_htotal; 153 int crtc_hskew; 154 int crtc_vdisplay; 155 int crtc_vblank_start; 156 int crtc_vblank_end; 157 int crtc_vsync_start; 158 int crtc_vsync_end; 159 int crtc_vtotal; 160 int crtc_hadjusted; 161 int crtc_vadjusted; 162 163 /* Driver private mode info */ 164 int private_size; 165 int *private; 166 int private_flags; 167 168 int vrefresh; /* in Hz */ 169 int hsync; /* in kHz */ 170 }; 171 172 enum drm_connector_status { 173 connector_status_connected = 1, 174 connector_status_disconnected = 2, 175 connector_status_unknown = 3, 176 }; 177 178 enum subpixel_order { 179 SubPixelUnknown = 0, 180 SubPixelHorizontalRGB, 181 SubPixelHorizontalBGR, 182 SubPixelVerticalRGB, 183 SubPixelVerticalBGR, 184 SubPixelNone, 185 }; 186 187 188 /* 189 * Describes a given display (e.g. CRT or flat panel) and its limitations. 190 */ 191 struct drm_display_info { 192 char name[DRM_DISPLAY_INFO_LEN]; 193 /* Input info */ 194 bool serration_vsync; 195 bool sync_on_green; 196 bool composite_sync; 197 bool separate_syncs; 198 bool blank_to_black; 199 unsigned char video_level; 200 bool digital; 201 /* Physical size */ 202 unsigned int width_mm; 203 unsigned int height_mm; 204 205 /* Display parameters */ 206 unsigned char gamma; /* FIXME: storage format */ 207 bool gtf_supported; 208 bool standard_color; 209 enum { 210 monochrome = 0, 211 rgb, 212 other, 213 unknown, 214 } display_type; 215 bool active_off_supported; 216 bool suspend_supported; 217 bool standby_supported; 218 219 /* Color info FIXME: storage format */ 220 unsigned short redx, redy; 221 unsigned short greenx, greeny; 222 unsigned short bluex, bluey; 223 unsigned short whitex, whitey; 224 225 /* Clock limits FIXME: storage format */ 226 unsigned int min_vfreq, max_vfreq; 227 unsigned int min_hfreq, max_hfreq; 228 unsigned int pixel_clock; 229 230 /* White point indices FIXME: storage format */ 231 unsigned int wpx1, wpy1; 232 unsigned int wpgamma1; 233 unsigned int wpx2, wpy2; 234 unsigned int wpgamma2; 235 236 enum subpixel_order subpixel_order; 237 238 char *raw_edid; /* if any */ 239 }; 240 241 struct drm_framebuffer_funcs { 242 void (*destroy)(struct drm_framebuffer *framebuffer); 243 int (*create_handle)(struct drm_framebuffer *fb, 244 struct drm_file *file_priv, 245 unsigned int *handle); 246 /** 247 * Optinal callback for the dirty fb ioctl. 248 * 249 * Userspace can notify the driver via this callback 250 * that a area of the framebuffer has changed and should 251 * be flushed to the display hardware. 252 * 253 * See documentation in drm_mode.h for the struct 254 * drm_mode_fb_dirty_cmd for more information as all 255 * the semantics and arguments have a one to one mapping 256 * on this function. 257 */ 258 int (*dirty)(struct drm_framebuffer *framebuffer, unsigned flags, 259 unsigned color, struct drm_clip_rect *clips, 260 unsigned num_clips); 261 }; 262 263 struct drm_framebuffer { 264 struct drm_device *dev; 265 struct list_head head; 266 struct drm_mode_object base; 267 const struct drm_framebuffer_funcs *funcs; 268 unsigned int pitch; 269 unsigned int width; 270 unsigned int height; 271 /* depth can be 15 or 16 */ 272 unsigned int depth; 273 int bits_per_pixel; 274 int flags; 275 struct list_head filp_head; 276 /* if you are using the helper */ 277 void *helper_private; 278 }; 279 280 struct drm_property_blob { 281 struct drm_mode_object base; 282 struct list_head head; 283 unsigned int length; 284 void *data; 285 }; 286 287 struct drm_property_enum { 288 uint64_t value; 289 struct list_head head; 290 char name[DRM_PROP_NAME_LEN]; 291 }; 292 293 struct drm_property { 294 struct list_head head; 295 struct drm_mode_object base; 296 uint32_t flags; 297 char name[DRM_PROP_NAME_LEN]; 298 uint32_t num_values; 299 uint64_t *values; 300 301 struct list_head enum_blob_list; 302 }; 303 304 struct drm_crtc; 305 struct drm_connector; 306 struct drm_encoder; 307 struct drm_pending_vblank_event; 308 309 /** 310 * drm_crtc_funcs - control CRTCs for a given device 311 * @dpms: control display power levels 312 * @save: save CRTC state 313 * @resore: restore CRTC state 314 * @lock: lock the CRTC 315 * @unlock: unlock the CRTC 316 * @shadow_allocate: allocate shadow pixmap 317 * @shadow_create: create shadow pixmap for rotation support 318 * @shadow_destroy: free shadow pixmap 319 * @mode_fixup: fixup proposed mode 320 * @mode_set: set the desired mode on the CRTC 321 * @gamma_set: specify color ramp for CRTC 322 * @destroy: deinit and free object. 323 * 324 * The drm_crtc_funcs structure is the central CRTC management structure 325 * in the DRM. Each CRTC controls one or more connectors (note that the name 326 * CRTC is simply historical, a CRTC may control LVDS, VGA, DVI, TV out, etc. 327 * connectors, not just CRTs). 328 * 329 * Each driver is responsible for filling out this structure at startup time, 330 * in addition to providing other modesetting features, like i2c and DDC 331 * bus accessors. 332 */ 333 struct drm_crtc_funcs { 334 /* Save CRTC state */ 335 void (*save)(struct drm_crtc *crtc); /* suspend? */ 336 /* Restore CRTC state */ 337 void (*restore)(struct drm_crtc *crtc); /* resume? */ 338 339 /* cursor controls */ 340 int (*cursor_set)(struct drm_crtc *crtc, struct drm_file *file_priv, 341 uint32_t handle, uint32_t width, uint32_t height); 342 int (*cursor_move)(struct drm_crtc *crtc, int x, int y); 343 344 /* Set gamma on the CRTC */ 345 void (*gamma_set)(struct drm_crtc *crtc, u16 *r, u16 *g, u16 *b, 346 uint32_t size); 347 /* Object destroy routine */ 348 void (*destroy)(struct drm_crtc *crtc); 349 350 int (*set_config)(struct drm_mode_set *set); 351 352 /* 353 * Flip to the given framebuffer. This implements the page 354 * flip ioctl descibed in drm_mode.h, specifically, the 355 * implementation must return immediately and block all 356 * rendering to the current fb until the flip has completed. 357 * If userspace set the event flag in the ioctl, the event 358 * argument will point to an event to send back when the flip 359 * completes, otherwise it will be NULL. 360 */ 361 int (*page_flip)(struct drm_crtc *crtc, 362 struct drm_framebuffer *fb, 363 struct drm_pending_vblank_event *event); 364 }; 365 366 /** 367 * drm_crtc - central CRTC control structure 368 * @enabled: is this CRTC enabled? 369 * @x: x position on screen 370 * @y: y position on screen 371 * @funcs: CRTC control functions 372 * 373 * Each CRTC may have one or more connectors associated with it. This structure 374 * allows the CRTC to be controlled. 375 */ 376 struct drm_crtc { 377 struct drm_device *dev; 378 struct list_head head; 379 380 struct drm_mode_object base; 381 382 /* framebuffer the connector is currently bound to */ 383 struct drm_framebuffer *fb; 384 385 bool enabled; 386 387 struct drm_display_mode mode; 388 389 int x, y; 390 const struct drm_crtc_funcs *funcs; 391 392 /* CRTC gamma size for reporting to userspace */ 393 uint32_t gamma_size; 394 uint16_t *gamma_store; 395 396 /* if you are using the helper */ 397 void *helper_private; 398 }; 399 400 401 /** 402 * drm_connector_funcs - control connectors on a given device 403 * @dpms: set power state (see drm_crtc_funcs above) 404 * @save: save connector state 405 * @restore: restore connector state 406 * @mode_valid: is this mode valid on the given connector? 407 * @mode_fixup: try to fixup proposed mode for this connector 408 * @mode_set: set this mode 409 * @detect: is this connector active? 410 * @get_modes: get mode list for this connector 411 * @set_property: property for this connector may need update 412 * @destroy: make object go away 413 * @force: notify the driver the connector is forced on 414 * 415 * Each CRTC may have one or more connectors attached to it. The functions 416 * below allow the core DRM code to control connectors, enumerate available modes, 417 * etc. 418 */ 419 struct drm_connector_funcs { 420 void (*dpms)(struct drm_connector *connector, int mode); 421 void (*save)(struct drm_connector *connector); 422 void (*restore)(struct drm_connector *connector); 423 enum drm_connector_status (*detect)(struct drm_connector *connector); 424 int (*fill_modes)(struct drm_connector *connector, uint32_t max_width, uint32_t max_height); 425 int (*set_property)(struct drm_connector *connector, struct drm_property *property, 426 uint64_t val); 427 void (*destroy)(struct drm_connector *connector); 428 void (*force)(struct drm_connector *connector); 429 }; 430 431 struct drm_encoder_funcs { 432 void (*destroy)(struct drm_encoder *encoder); 433 }; 434 435 #define DRM_CONNECTOR_MAX_UMODES 16 436 #define DRM_CONNECTOR_MAX_PROPERTY 16 437 #define DRM_CONNECTOR_LEN 32 438 #define DRM_CONNECTOR_MAX_ENCODER 2 439 440 /** 441 * drm_encoder - central DRM encoder structure 442 */ 443 struct drm_encoder { 444 struct drm_device *dev; 445 struct list_head head; 446 447 struct drm_mode_object base; 448 int encoder_type; 449 uint32_t possible_crtcs; 450 uint32_t possible_clones; 451 452 struct drm_crtc *crtc; 453 const struct drm_encoder_funcs *funcs; 454 void *helper_private; 455 }; 456 457 enum drm_connector_force { 458 DRM_FORCE_UNSPECIFIED, 459 DRM_FORCE_OFF, 460 DRM_FORCE_ON, /* force on analog part normally */ 461 DRM_FORCE_ON_DIGITAL, /* for DVI-I use digital connector */ 462 }; 463 464 /* should we poll this connector for connects and disconnects */ 465 /* hot plug detectable */ 466 #define DRM_CONNECTOR_POLL_HPD (1 << 0) 467 /* poll for connections */ 468 #define DRM_CONNECTOR_POLL_CONNECT (1 << 1) 469 /* can cleanly poll for disconnections without flickering the screen */ 470 /* DACs should rarely do this without a lot of testing */ 471 #define DRM_CONNECTOR_POLL_DISCONNECT (1 << 2) 472 473 /** 474 * drm_connector - central DRM connector control structure 475 * @crtc: CRTC this connector is currently connected to, NULL if none 476 * @interlace_allowed: can this connector handle interlaced modes? 477 * @doublescan_allowed: can this connector handle doublescan? 478 * @available_modes: modes available on this connector (from get_modes() + user) 479 * @initial_x: initial x position for this connector 480 * @initial_y: initial y position for this connector 481 * @status: connector connected? 482 * @funcs: connector control functions 483 * 484 * Each connector may be connected to one or more CRTCs, or may be clonable by 485 * another connector if they can share a CRTC. Each connector also has a specific 486 * position in the broader display (referred to as a 'screen' though it could 487 * span multiple monitors). 488 */ 489 struct drm_connector { 490 struct drm_device *dev; 491 struct device kdev; 492 struct device_attribute *attr; 493 struct list_head head; 494 495 struct drm_mode_object base; 496 497 int connector_type; 498 int connector_type_id; 499 bool interlace_allowed; 500 bool doublescan_allowed; 501 struct list_head modes; /* list of modes on this connector */ 502 503 int initial_x, initial_y; 504 enum drm_connector_status status; 505 506 /* these are modes added by probing with DDC or the BIOS */ 507 struct list_head probed_modes; 508 509 struct drm_display_info display_info; 510 const struct drm_connector_funcs *funcs; 511 512 struct list_head user_modes; 513 struct drm_property_blob *edid_blob_ptr; 514 u32 property_ids[DRM_CONNECTOR_MAX_PROPERTY]; 515 uint64_t property_values[DRM_CONNECTOR_MAX_PROPERTY]; 516 517 uint8_t polled; /* DRM_CONNECTOR_POLL_* */ 518 519 /* requested DPMS state */ 520 int dpms; 521 522 void *helper_private; 523 524 /* forced on connector */ 525 enum drm_connector_force force; 526 uint32_t encoder_ids[DRM_CONNECTOR_MAX_ENCODER]; 527 uint32_t force_encoder_id; 528 struct drm_encoder *encoder; /* currently active encoder */ 529 }; 530 531 /** 532 * struct drm_mode_set 533 * 534 * Represents a single crtc the connectors that it drives with what mode 535 * and from which framebuffer it scans out from. 536 * 537 * This is used to set modes. 538 */ 539 struct drm_mode_set { 540 struct list_head head; 541 542 struct drm_framebuffer *fb; 543 struct drm_crtc *crtc; 544 struct drm_display_mode *mode; 545 546 uint32_t x; 547 uint32_t y; 548 549 struct drm_connector **connectors; 550 size_t num_connectors; 551 }; 552 553 /** 554 * struct drm_mode_config_funcs - configure CRTCs for a given screen layout 555 */ 556 struct drm_mode_config_funcs { 557 struct drm_framebuffer *(*fb_create)(struct drm_device *dev, struct drm_file *file_priv, struct drm_mode_fb_cmd *mode_cmd); 558 void (*output_poll_changed)(struct drm_device *dev); 559 }; 560 561 struct drm_mode_group { 562 uint32_t num_crtcs; 563 uint32_t num_encoders; 564 uint32_t num_connectors; 565 566 /* list of object IDs for this group */ 567 uint32_t *id_list; 568 }; 569 570 /** 571 * drm_mode_config - Mode configuration control structure 572 * 573 */ 574 struct drm_mode_config { 575 struct mutex mutex; /* protects configuration (mode lists etc.) */ 576 struct mutex idr_mutex; /* for IDR management */ 577 struct idr crtc_idr; /* use this idr for all IDs, fb, crtc, connector, modes - just makes life easier */ 578 /* this is limited to one for now */ 579 int num_fb; 580 struct list_head fb_list; 581 int num_connector; 582 struct list_head connector_list; 583 int num_encoder; 584 struct list_head encoder_list; 585 586 int num_crtc; 587 struct list_head crtc_list; 588 589 struct list_head property_list; 590 591 int min_width, min_height; 592 int max_width, max_height; 593 struct drm_mode_config_funcs *funcs; 594 resource_size_t fb_base; 595 596 /* output poll support */ 597 bool poll_enabled; 598 struct delayed_slow_work output_poll_slow_work; 599 600 /* pointers to standard properties */ 601 struct list_head property_blob_list; 602 struct drm_property *edid_property; 603 struct drm_property *dpms_property; 604 605 /* DVI-I properties */ 606 struct drm_property *dvi_i_subconnector_property; 607 struct drm_property *dvi_i_select_subconnector_property; 608 609 /* TV properties */ 610 struct drm_property *tv_subconnector_property; 611 struct drm_property *tv_select_subconnector_property; 612 struct drm_property *tv_mode_property; 613 struct drm_property *tv_left_margin_property; 614 struct drm_property *tv_right_margin_property; 615 struct drm_property *tv_top_margin_property; 616 struct drm_property *tv_bottom_margin_property; 617 struct drm_property *tv_brightness_property; 618 struct drm_property *tv_contrast_property; 619 struct drm_property *tv_flicker_reduction_property; 620 struct drm_property *tv_overscan_property; 621 struct drm_property *tv_saturation_property; 622 struct drm_property *tv_hue_property; 623 624 /* Optional properties */ 625 struct drm_property *scaling_mode_property; 626 struct drm_property *dithering_mode_property; 627 struct drm_property *dirty_info_property; 628 }; 629 630 #define obj_to_crtc(x) container_of(x, struct drm_crtc, base) 631 #define obj_to_connector(x) container_of(x, struct drm_connector, base) 632 #define obj_to_encoder(x) container_of(x, struct drm_encoder, base) 633 #define obj_to_mode(x) container_of(x, struct drm_display_mode, base) 634 #define obj_to_fb(x) container_of(x, struct drm_framebuffer, base) 635 #define obj_to_property(x) container_of(x, struct drm_property, base) 636 #define obj_to_blob(x) container_of(x, struct drm_property_blob, base) 637 638 639 extern void drm_crtc_init(struct drm_device *dev, 640 struct drm_crtc *crtc, 641 const struct drm_crtc_funcs *funcs); 642 extern void drm_crtc_cleanup(struct drm_crtc *crtc); 643 644 extern void drm_connector_init(struct drm_device *dev, 645 struct drm_connector *connector, 646 const struct drm_connector_funcs *funcs, 647 int connector_type); 648 649 extern void drm_connector_cleanup(struct drm_connector *connector); 650 651 extern void drm_encoder_init(struct drm_device *dev, 652 struct drm_encoder *encoder, 653 const struct drm_encoder_funcs *funcs, 654 int encoder_type); 655 656 extern void drm_encoder_cleanup(struct drm_encoder *encoder); 657 658 extern char *drm_get_connector_name(struct drm_connector *connector); 659 extern char *drm_get_dpms_name(int val); 660 extern char *drm_get_dvi_i_subconnector_name(int val); 661 extern char *drm_get_dvi_i_select_name(int val); 662 extern char *drm_get_tv_subconnector_name(int val); 663 extern char *drm_get_tv_select_name(int val); 664 extern void drm_fb_release(struct drm_file *file_priv); 665 extern int drm_mode_group_init_legacy_group(struct drm_device *dev, struct drm_mode_group *group); 666 extern struct edid *drm_get_edid(struct drm_connector *connector, 667 struct i2c_adapter *adapter); 668 extern int drm_add_edid_modes(struct drm_connector *connector, struct edid *edid); 669 extern void drm_mode_probed_add(struct drm_connector *connector, struct drm_display_mode *mode); 670 extern void drm_mode_remove(struct drm_connector *connector, struct drm_display_mode *mode); 671 extern struct drm_display_mode *drm_mode_duplicate(struct drm_device *dev, 672 struct drm_display_mode *mode); 673 extern void drm_mode_debug_printmodeline(struct drm_display_mode *mode); 674 extern void drm_mode_config_init(struct drm_device *dev); 675 extern void drm_mode_config_cleanup(struct drm_device *dev); 676 extern void drm_mode_set_name(struct drm_display_mode *mode); 677 extern bool drm_mode_equal(struct drm_display_mode *mode1, struct drm_display_mode *mode2); 678 extern int drm_mode_width(struct drm_display_mode *mode); 679 extern int drm_mode_height(struct drm_display_mode *mode); 680 681 /* for us by fb module */ 682 extern int drm_mode_attachmode_crtc(struct drm_device *dev, 683 struct drm_crtc *crtc, 684 struct drm_display_mode *mode); 685 extern int drm_mode_detachmode_crtc(struct drm_device *dev, struct drm_display_mode *mode); 686 687 extern struct drm_display_mode *drm_mode_create(struct drm_device *dev); 688 extern void drm_mode_destroy(struct drm_device *dev, struct drm_display_mode *mode); 689 extern void drm_mode_list_concat(struct list_head *head, 690 struct list_head *new); 691 extern void drm_mode_validate_size(struct drm_device *dev, 692 struct list_head *mode_list, 693 int maxX, int maxY, int maxPitch); 694 extern void drm_mode_prune_invalid(struct drm_device *dev, 695 struct list_head *mode_list, bool verbose); 696 extern void drm_mode_sort(struct list_head *mode_list); 697 extern int drm_mode_hsync(struct drm_display_mode *mode); 698 extern int drm_mode_vrefresh(struct drm_display_mode *mode); 699 extern void drm_mode_set_crtcinfo(struct drm_display_mode *p, 700 int adjust_flags); 701 extern void drm_mode_connector_list_update(struct drm_connector *connector); 702 extern int drm_mode_connector_update_edid_property(struct drm_connector *connector, 703 struct edid *edid); 704 extern int drm_connector_property_set_value(struct drm_connector *connector, 705 struct drm_property *property, 706 uint64_t value); 707 extern int drm_connector_property_get_value(struct drm_connector *connector, 708 struct drm_property *property, 709 uint64_t *value); 710 extern struct drm_display_mode *drm_crtc_mode_create(struct drm_device *dev); 711 extern void drm_framebuffer_set_object(struct drm_device *dev, 712 unsigned long handle); 713 extern int drm_framebuffer_init(struct drm_device *dev, 714 struct drm_framebuffer *fb, 715 const struct drm_framebuffer_funcs *funcs); 716 extern void drm_framebuffer_cleanup(struct drm_framebuffer *fb); 717 extern int drmfb_probe(struct drm_device *dev, struct drm_crtc *crtc); 718 extern int drmfb_remove(struct drm_device *dev, struct drm_framebuffer *fb); 719 extern void drm_crtc_probe_connector_modes(struct drm_device *dev, int maxX, int maxY); 720 extern bool drm_crtc_in_use(struct drm_crtc *crtc); 721 722 extern int drm_connector_attach_property(struct drm_connector *connector, 723 struct drm_property *property, uint64_t init_val); 724 extern struct drm_property *drm_property_create(struct drm_device *dev, int flags, 725 const char *name, int num_values); 726 extern void drm_property_destroy(struct drm_device *dev, struct drm_property *property); 727 extern int drm_property_add_enum(struct drm_property *property, int index, 728 uint64_t value, const char *name); 729 extern int drm_mode_create_dvi_i_properties(struct drm_device *dev); 730 extern int drm_mode_create_tv_properties(struct drm_device *dev, int num_formats, 731 char *formats[]); 732 extern int drm_mode_create_scaling_mode_property(struct drm_device *dev); 733 extern int drm_mode_create_dithering_property(struct drm_device *dev); 734 extern int drm_mode_create_dirty_info_property(struct drm_device *dev); 735 extern char *drm_get_encoder_name(struct drm_encoder *encoder); 736 737 extern int drm_mode_connector_attach_encoder(struct drm_connector *connector, 738 struct drm_encoder *encoder); 739 extern void drm_mode_connector_detach_encoder(struct drm_connector *connector, 740 struct drm_encoder *encoder); 741 extern bool drm_mode_crtc_set_gamma_size(struct drm_crtc *crtc, 742 int gamma_size); 743 extern struct drm_mode_object *drm_mode_object_find(struct drm_device *dev, 744 uint32_t id, uint32_t type); 745 /* IOCTLs */ 746 extern int drm_mode_getresources(struct drm_device *dev, 747 void *data, struct drm_file *file_priv); 748 749 extern int drm_mode_getcrtc(struct drm_device *dev, 750 void *data, struct drm_file *file_priv); 751 extern int drm_mode_getconnector(struct drm_device *dev, 752 void *data, struct drm_file *file_priv); 753 extern int drm_mode_setcrtc(struct drm_device *dev, 754 void *data, struct drm_file *file_priv); 755 extern int drm_mode_cursor_ioctl(struct drm_device *dev, 756 void *data, struct drm_file *file_priv); 757 extern int drm_mode_addfb(struct drm_device *dev, 758 void *data, struct drm_file *file_priv); 759 extern int drm_mode_rmfb(struct drm_device *dev, 760 void *data, struct drm_file *file_priv); 761 extern int drm_mode_getfb(struct drm_device *dev, 762 void *data, struct drm_file *file_priv); 763 extern int drm_mode_dirtyfb_ioctl(struct drm_device *dev, 764 void *data, struct drm_file *file_priv); 765 extern int drm_mode_addmode_ioctl(struct drm_device *dev, 766 void *data, struct drm_file *file_priv); 767 extern int drm_mode_rmmode_ioctl(struct drm_device *dev, 768 void *data, struct drm_file *file_priv); 769 extern int drm_mode_attachmode_ioctl(struct drm_device *dev, 770 void *data, struct drm_file *file_priv); 771 extern int drm_mode_detachmode_ioctl(struct drm_device *dev, 772 void *data, struct drm_file *file_priv); 773 774 extern int drm_mode_getproperty_ioctl(struct drm_device *dev, 775 void *data, struct drm_file *file_priv); 776 extern int drm_mode_getblob_ioctl(struct drm_device *dev, 777 void *data, struct drm_file *file_priv); 778 extern int drm_mode_connector_property_set_ioctl(struct drm_device *dev, 779 void *data, struct drm_file *file_priv); 780 extern int drm_mode_hotplug_ioctl(struct drm_device *dev, 781 void *data, struct drm_file *file_priv); 782 extern int drm_mode_replacefb(struct drm_device *dev, 783 void *data, struct drm_file *file_priv); 784 extern int drm_mode_getencoder(struct drm_device *dev, 785 void *data, struct drm_file *file_priv); 786 extern int drm_mode_gamma_get_ioctl(struct drm_device *dev, 787 void *data, struct drm_file *file_priv); 788 extern int drm_mode_gamma_set_ioctl(struct drm_device *dev, 789 void *data, struct drm_file *file_priv); 790 extern bool drm_detect_hdmi_monitor(struct edid *edid); 791 extern int drm_mode_page_flip_ioctl(struct drm_device *dev, 792 void *data, struct drm_file *file_priv); 793 extern struct drm_display_mode *drm_cvt_mode(struct drm_device *dev, 794 int hdisplay, int vdisplay, int vrefresh, 795 bool reduced, bool interlaced, bool margins); 796 extern struct drm_display_mode *drm_gtf_mode(struct drm_device *dev, 797 int hdisplay, int vdisplay, int vrefresh, 798 bool interlaced, int margins); 799 extern struct drm_display_mode *drm_gtf_mode_complex(struct drm_device *dev, 800 int hdisplay, int vdisplay, int vrefresh, 801 bool interlaced, int margins, int GTF_M, 802 int GTF_2C, int GTF_K, int GTF_2J); 803 extern int drm_add_modes_noedid(struct drm_connector *connector, 804 int hdisplay, int vdisplay); 805 806 extern bool drm_edid_is_valid(struct edid *edid); 807 struct drm_display_mode *drm_mode_find_dmt(struct drm_device *dev, 808 int hsize, int vsize, int fresh); 809 #endif /* __DRM_CRTC_H__ */ 810