include/drm/drm_crtc.h

   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__ */