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 #define DRM_COLOR_FORMAT_RGB444 (1<<0) 187 #define DRM_COLOR_FORMAT_YCRCB444 (1<<1) 188 #define DRM_COLOR_FORMAT_YCRCB422 (1<<2) 189 /* 190 * Describes a given display (e.g. CRT or flat panel) and its limitations. 191 */ 192 struct drm_display_info { 193 char name[DRM_DISPLAY_INFO_LEN]; 194 195 /* Physical size */ 196 unsigned int width_mm; 197 unsigned int height_mm; 198 199 /* Clock limits FIXME: storage format */ 200 unsigned int min_vfreq, max_vfreq; 201 unsigned int min_hfreq, max_hfreq; 202 unsigned int pixel_clock; 203 unsigned int bpc; 204 205 enum subpixel_order subpixel_order; 206 u32 color_formats; 207 208 u8 cea_rev; 209 210 char *raw_edid; /* if any */ 211 }; 212 213 struct drm_framebuffer_funcs { 214 void (*destroy)(struct drm_framebuffer *framebuffer); 215 int (*create_handle)(struct drm_framebuffer *fb, 216 struct drm_file *file_priv, 217 unsigned int *handle); 218 /** 219 * Optinal callback for the dirty fb ioctl. 220 * 221 * Userspace can notify the driver via this callback 222 * that a area of the framebuffer has changed and should 223 * be flushed to the display hardware. 224 * 225 * See documentation in drm_mode.h for the struct 226 * drm_mode_fb_dirty_cmd for more information as all 227 * the semantics and arguments have a one to one mapping 228 * on this function. 229 */ 230 int (*dirty)(struct drm_framebuffer *framebuffer, 231 struct drm_file *file_priv, unsigned flags, 232 unsigned color, struct drm_clip_rect *clips, 233 unsigned num_clips); 234 }; 235 236 struct drm_framebuffer { 237 struct drm_device *dev; 238 struct list_head head; 239 struct drm_mode_object base; 240 const struct drm_framebuffer_funcs *funcs; 241 unsigned int pitch; 242 unsigned int width; 243 unsigned int height; 244 /* depth can be 15 or 16 */ 245 unsigned int depth; 246 int bits_per_pixel; 247 int flags; 248 struct list_head filp_head; 249 /* if you are using the helper */ 250 void *helper_private; 251 }; 252 253 struct drm_property_blob { 254 struct drm_mode_object base; 255 struct list_head head; 256 unsigned int length; 257 void *data; 258 }; 259 260 struct drm_property_enum { 261 uint64_t value; 262 struct list_head head; 263 char name[DRM_PROP_NAME_LEN]; 264 }; 265 266 struct drm_property { 267 struct list_head head; 268 struct drm_mode_object base; 269 uint32_t flags; 270 char name[DRM_PROP_NAME_LEN]; 271 uint32_t num_values; 272 uint64_t *values; 273 274 struct list_head enum_blob_list; 275 }; 276 277 struct drm_crtc; 278 struct drm_connector; 279 struct drm_encoder; 280 struct drm_pending_vblank_event; 281 282 /** 283 * drm_crtc_funcs - control CRTCs for a given device 284 * @reset: reset CRTC after state has been invalidate (e.g. resume) 285 * @dpms: control display power levels 286 * @save: save CRTC state 287 * @resore: restore CRTC state 288 * @lock: lock the CRTC 289 * @unlock: unlock the CRTC 290 * @shadow_allocate: allocate shadow pixmap 291 * @shadow_create: create shadow pixmap for rotation support 292 * @shadow_destroy: free shadow pixmap 293 * @mode_fixup: fixup proposed mode 294 * @mode_set: set the desired mode on the CRTC 295 * @gamma_set: specify color ramp for CRTC 296 * @destroy: deinit and free object. 297 * 298 * The drm_crtc_funcs structure is the central CRTC management structure 299 * in the DRM. Each CRTC controls one or more connectors (note that the name 300 * CRTC is simply historical, a CRTC may control LVDS, VGA, DVI, TV out, etc. 301 * connectors, not just CRTs). 302 * 303 * Each driver is responsible for filling out this structure at startup time, 304 * in addition to providing other modesetting features, like i2c and DDC 305 * bus accessors. 306 */ 307 struct drm_crtc_funcs { 308 /* Save CRTC state */ 309 void (*save)(struct drm_crtc *crtc); /* suspend? */ 310 /* Restore CRTC state */ 311 void (*restore)(struct drm_crtc *crtc); /* resume? */ 312 /* Reset CRTC state */ 313 void (*reset)(struct drm_crtc *crtc); 314 315 /* cursor controls */ 316 int (*cursor_set)(struct drm_crtc *crtc, struct drm_file *file_priv, 317 uint32_t handle, uint32_t width, uint32_t height); 318 int (*cursor_move)(struct drm_crtc *crtc, int x, int y); 319 320 /* Set gamma on the CRTC */ 321 void (*gamma_set)(struct drm_crtc *crtc, u16 *r, u16 *g, u16 *b, 322 uint32_t start, uint32_t size); 323 /* Object destroy routine */ 324 void (*destroy)(struct drm_crtc *crtc); 325 326 int (*set_config)(struct drm_mode_set *set); 327 328 /* 329 * Flip to the given framebuffer. This implements the page 330 * flip ioctl described in drm_mode.h, specifically, the 331 * implementation must return immediately and block all 332 * rendering to the current fb until the flip has completed. 333 * If userspace set the event flag in the ioctl, the event 334 * argument will point to an event to send back when the flip 335 * completes, otherwise it will be NULL. 336 */ 337 int (*page_flip)(struct drm_crtc *crtc, 338 struct drm_framebuffer *fb, 339 struct drm_pending_vblank_event *event); 340 }; 341 342 /** 343 * drm_crtc - central CRTC control structure 344 * @enabled: is this CRTC enabled? 345 * @x: x position on screen 346 * @y: y position on screen 347 * @funcs: CRTC control functions 348 * 349 * Each CRTC may have one or more connectors associated with it. This structure 350 * allows the CRTC to be controlled. 351 */ 352 struct drm_crtc { 353 struct drm_device *dev; 354 struct list_head head; 355 356 struct drm_mode_object base; 357 358 /* framebuffer the connector is currently bound to */ 359 struct drm_framebuffer *fb; 360 361 bool enabled; 362 363 /* Requested mode from modesetting. */ 364 struct drm_display_mode mode; 365 366 /* Programmed mode in hw, after adjustments for encoders, 367 * crtc, panel scaling etc. Needed for timestamping etc. 368 */ 369 struct drm_display_mode hwmode; 370 371 int x, y; 372 const struct drm_crtc_funcs *funcs; 373 374 /* CRTC gamma size for reporting to userspace */ 375 uint32_t gamma_size; 376 uint16_t *gamma_store; 377 378 /* Constants needed for precise vblank and swap timestamping. */ 379 s64 framedur_ns, linedur_ns, pixeldur_ns; 380 381 /* if you are using the helper */ 382 void *helper_private; 383 }; 384 385 386 /** 387 * drm_connector_funcs - control connectors on a given device 388 * @dpms: set power state (see drm_crtc_funcs above) 389 * @save: save connector state 390 * @restore: restore connector state 391 * @reset: reset connector after state has been invalidate (e.g. resume) 392 * @mode_valid: is this mode valid on the given connector? 393 * @mode_fixup: try to fixup proposed mode for this connector 394 * @mode_set: set this mode 395 * @detect: is this connector active? 396 * @get_modes: get mode list for this connector 397 * @set_property: property for this connector may need update 398 * @destroy: make object go away 399 * @force: notify the driver the connector is forced on 400 * 401 * Each CRTC may have one or more connectors attached to it. The functions 402 * below allow the core DRM code to control connectors, enumerate available modes, 403 * etc. 404 */ 405 struct drm_connector_funcs { 406 void (*dpms)(struct drm_connector *connector, int mode); 407 void (*save)(struct drm_connector *connector); 408 void (*restore)(struct drm_connector *connector); 409 void (*reset)(struct drm_connector *connector); 410 411 /* Check to see if anything is attached to the connector. 412 * @force is set to false whilst polling, true when checking the 413 * connector due to user request. @force can be used by the driver 414 * to avoid expensive, destructive operations during automated 415 * probing. 416 */ 417 enum drm_connector_status (*detect)(struct drm_connector *connector, 418 bool force); 419 int (*fill_modes)(struct drm_connector *connector, uint32_t max_width, uint32_t max_height); 420 int (*set_property)(struct drm_connector *connector, struct drm_property *property, 421 uint64_t val); 422 void (*destroy)(struct drm_connector *connector); 423 void (*force)(struct drm_connector *connector); 424 }; 425 426 struct drm_encoder_funcs { 427 void (*reset)(struct drm_encoder *encoder); 428 void (*destroy)(struct drm_encoder *encoder); 429 }; 430 431 #define DRM_CONNECTOR_MAX_UMODES 16 432 #define DRM_CONNECTOR_MAX_PROPERTY 16 433 #define DRM_CONNECTOR_LEN 32 434 #define DRM_CONNECTOR_MAX_ENCODER 2 435 436 /** 437 * drm_encoder - central DRM encoder structure 438 */ 439 struct drm_encoder { 440 struct drm_device *dev; 441 struct list_head head; 442 443 struct drm_mode_object base; 444 int encoder_type; 445 uint32_t possible_crtcs; 446 uint32_t possible_clones; 447 448 struct drm_crtc *crtc; 449 const struct drm_encoder_funcs *funcs; 450 void *helper_private; 451 }; 452 453 enum drm_connector_force { 454 DRM_FORCE_UNSPECIFIED, 455 DRM_FORCE_OFF, 456 DRM_FORCE_ON, /* force on analog part normally */ 457 DRM_FORCE_ON_DIGITAL, /* for DVI-I use digital connector */ 458 }; 459 460 /* should we poll this connector for connects and disconnects */ 461 /* hot plug detectable */ 462 #define DRM_CONNECTOR_POLL_HPD (1 << 0) 463 /* poll for connections */ 464 #define DRM_CONNECTOR_POLL_CONNECT (1 << 1) 465 /* can cleanly poll for disconnections without flickering the screen */ 466 /* DACs should rarely do this without a lot of testing */ 467 #define DRM_CONNECTOR_POLL_DISCONNECT (1 << 2) 468 469 /** 470 * drm_connector - central DRM connector control structure 471 * @crtc: CRTC this connector is currently connected to, NULL if none 472 * @interlace_allowed: can this connector handle interlaced modes? 473 * @doublescan_allowed: can this connector handle doublescan? 474 * @available_modes: modes available on this connector (from get_modes() + user) 475 * @initial_x: initial x position for this connector 476 * @initial_y: initial y position for this connector 477 * @status: connector connected? 478 * @funcs: connector control functions 479 * 480 * Each connector may be connected to one or more CRTCs, or may be clonable by 481 * another connector if they can share a CRTC. Each connector also has a specific 482 * position in the broader display (referred to as a 'screen' though it could 483 * span multiple monitors). 484 */ 485 struct drm_connector { 486 struct drm_device *dev; 487 struct device kdev; 488 struct device_attribute *attr; 489 struct list_head head; 490 491 struct drm_mode_object base; 492 493 int connector_type; 494 int connector_type_id; 495 bool interlace_allowed; 496 bool doublescan_allowed; 497 struct list_head modes; /* list of modes on this connector */ 498 499 int initial_x, initial_y; 500 enum drm_connector_status status; 501 502 /* these are modes added by probing with DDC or the BIOS */ 503 struct list_head probed_modes; 504 505 struct drm_display_info display_info; 506 const struct drm_connector_funcs *funcs; 507 508 struct list_head user_modes; 509 struct drm_property_blob *edid_blob_ptr; 510 u32 property_ids[DRM_CONNECTOR_MAX_PROPERTY]; 511 uint64_t property_values[DRM_CONNECTOR_MAX_PROPERTY]; 512 513 uint8_t polled; /* DRM_CONNECTOR_POLL_* */ 514 515 /* requested DPMS state */ 516 int dpms; 517 518 void *helper_private; 519 520 /* forced on connector */ 521 enum drm_connector_force force; 522 uint32_t encoder_ids[DRM_CONNECTOR_MAX_ENCODER]; 523 uint32_t force_encoder_id; 524 struct drm_encoder *encoder; /* currently active encoder */ 525 526 int null_edid_counter; /* needed to workaround some HW bugs where we get all 0s */ 527 }; 528 529 /** 530 * struct drm_mode_set 531 * 532 * Represents a single crtc the connectors that it drives with what mode 533 * and from which framebuffer it scans out from. 534 * 535 * This is used to set modes. 536 */ 537 struct drm_mode_set { 538 struct list_head head; 539 540 struct drm_framebuffer *fb; 541 struct drm_crtc *crtc; 542 struct drm_display_mode *mode; 543 544 uint32_t x; 545 uint32_t y; 546 547 struct drm_connector **connectors; 548 size_t num_connectors; 549 }; 550 551 /** 552 * struct drm_mode_config_funcs - configure CRTCs for a given screen layout 553 */ 554 struct drm_mode_config_funcs { 555 struct drm_framebuffer *(*fb_create)(struct drm_device *dev, struct drm_file *file_priv, struct drm_mode_fb_cmd *mode_cmd); 556 void (*output_poll_changed)(struct drm_device *dev); 557 }; 558 559 struct drm_mode_group { 560 uint32_t num_crtcs; 561 uint32_t num_encoders; 562 uint32_t num_connectors; 563 564 /* list of object IDs for this group */ 565 uint32_t *id_list; 566 }; 567 568 /** 569 * drm_mode_config - Mode configuration control structure 570 * 571 */ 572 struct drm_mode_config { 573 struct mutex mutex; /* protects configuration (mode lists etc.) */ 574 struct mutex idr_mutex; /* for IDR management */ 575 struct idr crtc_idr; /* use this idr for all IDs, fb, crtc, connector, modes - just makes life easier */ 576 /* this is limited to one for now */ 577 int num_fb; 578 struct list_head fb_list; 579 int num_connector; 580 struct list_head connector_list; 581 int num_encoder; 582 struct list_head encoder_list; 583 584 int num_crtc; 585 struct list_head crtc_list; 586 587 struct list_head property_list; 588 589 int min_width, min_height; 590 int max_width, max_height; 591 struct drm_mode_config_funcs *funcs; 592 resource_size_t fb_base; 593 594 /* output poll support */ 595 bool poll_enabled; 596 struct delayed_work output_poll_work; 597 598 /* pointers to standard properties */ 599 struct list_head property_blob_list; 600 struct drm_property *edid_property; 601 struct drm_property *dpms_property; 602 603 /* DVI-I properties */ 604 struct drm_property *dvi_i_subconnector_property; 605 struct drm_property *dvi_i_select_subconnector_property; 606 607 /* TV properties */ 608 struct drm_property *tv_subconnector_property; 609 struct drm_property *tv_select_subconnector_property; 610 struct drm_property *tv_mode_property; 611 struct drm_property *tv_left_margin_property; 612 struct drm_property *tv_right_margin_property; 613 struct drm_property *tv_top_margin_property; 614 struct drm_property *tv_bottom_margin_property; 615 struct drm_property *tv_brightness_property; 616 struct drm_property *tv_contrast_property; 617 struct drm_property *tv_flicker_reduction_property; 618 struct drm_property *tv_overscan_property; 619 struct drm_property *tv_saturation_property; 620 struct drm_property *tv_hue_property; 621 622 /* Optional properties */ 623 struct drm_property *scaling_mode_property; 624 struct drm_property *dithering_mode_property; 625 struct drm_property *dirty_info_property; 626 }; 627 628 #define obj_to_crtc(x) container_of(x, struct drm_crtc, base) 629 #define obj_to_connector(x) container_of(x, struct drm_connector, base) 630 #define obj_to_encoder(x) container_of(x, struct drm_encoder, base) 631 #define obj_to_mode(x) container_of(x, struct drm_display_mode, base) 632 #define obj_to_fb(x) container_of(x, struct drm_framebuffer, base) 633 #define obj_to_property(x) container_of(x, struct drm_property, base) 634 #define obj_to_blob(x) container_of(x, struct drm_property_blob, base) 635 636 637 extern void drm_crtc_init(struct drm_device *dev, 638 struct drm_crtc *crtc, 639 const struct drm_crtc_funcs *funcs); 640 extern void drm_crtc_cleanup(struct drm_crtc *crtc); 641 642 extern void drm_connector_init(struct drm_device *dev, 643 struct drm_connector *connector, 644 const struct drm_connector_funcs *funcs, 645 int connector_type); 646 647 extern void drm_connector_cleanup(struct drm_connector *connector); 648 649 extern void drm_encoder_init(struct drm_device *dev, 650 struct drm_encoder *encoder, 651 const struct drm_encoder_funcs *funcs, 652 int encoder_type); 653 654 extern void drm_encoder_cleanup(struct drm_encoder *encoder); 655 656 extern char *drm_get_connector_name(struct drm_connector *connector); 657 extern char *drm_get_dpms_name(int val); 658 extern char *drm_get_dvi_i_subconnector_name(int val); 659 extern char *drm_get_dvi_i_select_name(int val); 660 extern char *drm_get_tv_subconnector_name(int val); 661 extern char *drm_get_tv_select_name(int val); 662 extern void drm_fb_release(struct drm_file *file_priv); 663 extern int drm_mode_group_init_legacy_group(struct drm_device *dev, struct drm_mode_group *group); 664 extern struct edid *drm_get_edid(struct drm_connector *connector, 665 struct i2c_adapter *adapter); 666 extern int drm_add_edid_modes(struct drm_connector *connector, struct edid *edid); 667 extern void drm_mode_probed_add(struct drm_connector *connector, struct drm_display_mode *mode); 668 extern void drm_mode_remove(struct drm_connector *connector, struct drm_display_mode *mode); 669 extern struct drm_display_mode *drm_mode_duplicate(struct drm_device *dev, 670 const struct drm_display_mode *mode); 671 extern void drm_mode_debug_printmodeline(struct drm_display_mode *mode); 672 extern void drm_mode_config_init(struct drm_device *dev); 673 extern void drm_mode_config_reset(struct drm_device *dev); 674 extern void drm_mode_config_cleanup(struct drm_device *dev); 675 extern void drm_mode_set_name(struct drm_display_mode *mode); 676 extern bool drm_mode_equal(struct drm_display_mode *mode1, struct drm_display_mode *mode2); 677 extern int drm_mode_width(struct drm_display_mode *mode); 678 extern int drm_mode_height(struct drm_display_mode *mode); 679 680 /* for us by fb module */ 681 extern int drm_mode_attachmode_crtc(struct drm_device *dev, 682 struct drm_crtc *crtc, 683 struct drm_display_mode *mode); 684 extern int drm_mode_detachmode_crtc(struct drm_device *dev, struct drm_display_mode *mode); 685 686 extern struct drm_display_mode *drm_mode_create(struct drm_device *dev); 687 extern void drm_mode_destroy(struct drm_device *dev, struct drm_display_mode *mode); 688 extern void drm_mode_list_concat(struct list_head *head, 689 struct list_head *new); 690 extern void drm_mode_validate_size(struct drm_device *dev, 691 struct list_head *mode_list, 692 int maxX, int maxY, int maxPitch); 693 extern void drm_mode_prune_invalid(struct drm_device *dev, 694 struct list_head *mode_list, bool verbose); 695 extern void drm_mode_sort(struct list_head *mode_list); 696 extern int drm_mode_hsync(const struct drm_display_mode *mode); 697 extern int drm_mode_vrefresh(const struct drm_display_mode *mode); 698 extern void drm_mode_set_crtcinfo(struct drm_display_mode *p, 699 int adjust_flags); 700 extern void drm_mode_connector_list_update(struct drm_connector *connector); 701 extern int drm_mode_connector_update_edid_property(struct drm_connector *connector, 702 struct edid *edid); 703 extern int drm_connector_property_set_value(struct drm_connector *connector, 704 struct drm_property *property, 705 uint64_t value); 706 extern int drm_connector_property_get_value(struct drm_connector *connector, 707 struct drm_property *property, 708 uint64_t *value); 709 extern struct drm_display_mode *drm_crtc_mode_create(struct drm_device *dev); 710 extern void drm_framebuffer_set_object(struct drm_device *dev, 711 unsigned long handle); 712 extern int drm_framebuffer_init(struct drm_device *dev, 713 struct drm_framebuffer *fb, 714 const struct drm_framebuffer_funcs *funcs); 715 extern void drm_framebuffer_cleanup(struct drm_framebuffer *fb); 716 extern int drmfb_probe(struct drm_device *dev, struct drm_crtc *crtc); 717 extern int drmfb_remove(struct drm_device *dev, struct drm_framebuffer *fb); 718 extern void drm_crtc_probe_connector_modes(struct drm_device *dev, int maxX, int maxY); 719 extern bool drm_crtc_in_use(struct drm_crtc *crtc); 720 721 extern int drm_connector_attach_property(struct drm_connector *connector, 722 struct drm_property *property, uint64_t init_val); 723 extern struct drm_property *drm_property_create(struct drm_device *dev, int flags, 724 const char *name, int num_values); 725 extern void drm_property_destroy(struct drm_device *dev, struct drm_property *property); 726 extern int drm_property_add_enum(struct drm_property *property, int index, 727 uint64_t value, const char *name); 728 extern int drm_mode_create_dvi_i_properties(struct drm_device *dev); 729 extern int drm_mode_create_tv_properties(struct drm_device *dev, int num_formats, 730 char *formats[]); 731 extern int drm_mode_create_scaling_mode_property(struct drm_device *dev); 732 extern int drm_mode_create_dithering_property(struct drm_device *dev); 733 extern int drm_mode_create_dirty_info_property(struct drm_device *dev); 734 extern char *drm_get_encoder_name(struct drm_encoder *encoder); 735 736 extern int drm_mode_connector_attach_encoder(struct drm_connector *connector, 737 struct drm_encoder *encoder); 738 extern void drm_mode_connector_detach_encoder(struct drm_connector *connector, 739 struct drm_encoder *encoder); 740 extern bool drm_mode_crtc_set_gamma_size(struct drm_crtc *crtc, 741 int gamma_size); 742 extern struct drm_mode_object *drm_mode_object_find(struct drm_device *dev, 743 uint32_t id, uint32_t type); 744 /* IOCTLs */ 745 extern int drm_mode_getresources(struct drm_device *dev, 746 void *data, struct drm_file *file_priv); 747 748 extern int drm_mode_getcrtc(struct drm_device *dev, 749 void *data, struct drm_file *file_priv); 750 extern int drm_mode_getconnector(struct drm_device *dev, 751 void *data, struct drm_file *file_priv); 752 extern int drm_mode_setcrtc(struct drm_device *dev, 753 void *data, struct drm_file *file_priv); 754 extern int drm_mode_cursor_ioctl(struct drm_device *dev, 755 void *data, struct drm_file *file_priv); 756 extern int drm_mode_addfb(struct drm_device *dev, 757 void *data, struct drm_file *file_priv); 758 extern int drm_mode_rmfb(struct drm_device *dev, 759 void *data, struct drm_file *file_priv); 760 extern int drm_mode_getfb(struct drm_device *dev, 761 void *data, struct drm_file *file_priv); 762 extern int drm_mode_dirtyfb_ioctl(struct drm_device *dev, 763 void *data, struct drm_file *file_priv); 764 extern int drm_mode_addmode_ioctl(struct drm_device *dev, 765 void *data, struct drm_file *file_priv); 766 extern int drm_mode_rmmode_ioctl(struct drm_device *dev, 767 void *data, struct drm_file *file_priv); 768 extern int drm_mode_attachmode_ioctl(struct drm_device *dev, 769 void *data, struct drm_file *file_priv); 770 extern int drm_mode_detachmode_ioctl(struct drm_device *dev, 771 void *data, struct drm_file *file_priv); 772 773 extern int drm_mode_getproperty_ioctl(struct drm_device *dev, 774 void *data, struct drm_file *file_priv); 775 extern int drm_mode_getblob_ioctl(struct drm_device *dev, 776 void *data, struct drm_file *file_priv); 777 extern int drm_mode_connector_property_set_ioctl(struct drm_device *dev, 778 void *data, struct drm_file *file_priv); 779 extern int drm_mode_hotplug_ioctl(struct drm_device *dev, 780 void *data, struct drm_file *file_priv); 781 extern int drm_mode_replacefb(struct drm_device *dev, 782 void *data, struct drm_file *file_priv); 783 extern int drm_mode_getencoder(struct drm_device *dev, 784 void *data, struct drm_file *file_priv); 785 extern int drm_mode_gamma_get_ioctl(struct drm_device *dev, 786 void *data, struct drm_file *file_priv); 787 extern int drm_mode_gamma_set_ioctl(struct drm_device *dev, 788 void *data, struct drm_file *file_priv); 789 extern u8 *drm_find_cea_extension(struct edid *edid); 790 extern bool drm_detect_hdmi_monitor(struct edid *edid); 791 extern bool drm_detect_monitor_audio(struct edid *edid); 792 extern int drm_mode_page_flip_ioctl(struct drm_device *dev, 793 void *data, struct drm_file *file_priv); 794 extern struct drm_display_mode *drm_cvt_mode(struct drm_device *dev, 795 int hdisplay, int vdisplay, int vrefresh, 796 bool reduced, bool interlaced, bool margins); 797 extern struct drm_display_mode *drm_gtf_mode(struct drm_device *dev, 798 int hdisplay, int vdisplay, int vrefresh, 799 bool interlaced, int margins); 800 extern struct drm_display_mode *drm_gtf_mode_complex(struct drm_device *dev, 801 int hdisplay, int vdisplay, int vrefresh, 802 bool interlaced, int margins, int GTF_M, 803 int GTF_2C, int GTF_K, int GTF_2J); 804 extern int drm_add_modes_noedid(struct drm_connector *connector, 805 int hdisplay, int vdisplay); 806 807 extern int drm_edid_header_is_valid(const u8 *raw_edid); 808 extern bool drm_edid_is_valid(struct edid *edid); 809 struct drm_display_mode *drm_mode_find_dmt(struct drm_device *dev, 810 int hsize, int vsize, int fresh); 811 812 extern int drm_mode_create_dumb_ioctl(struct drm_device *dev, 813 void *data, struct drm_file *file_priv); 814 extern int drm_mode_mmap_dumb_ioctl(struct drm_device *dev, 815 void *data, struct drm_file *file_priv); 816 extern int drm_mode_destroy_dumb_ioctl(struct drm_device *dev, 817 void *data, struct drm_file *file_priv); 818 #endif /* __DRM_CRTC_H__ */ 819