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