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