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;
 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;
 168         float hsync;
 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         /* Input info */
 193         bool serration_vsync;
 194         bool sync_on_green;
 195         bool composite_sync;
 196         bool separate_syncs;
 197         bool blank_to_black;
 198         unsigned char video_level;
 199         bool digital;
 200         /* Physical size */
 201         unsigned int width_mm;
 202         unsigned int height_mm;
 203
 204         /* Display parameters */
 205         unsigned char gamma; /* FIXME: storage format */
 206         bool gtf_supported;
 207         bool standard_color;
 208         enum {
 209                 monochrome = 0,
 210                 rgb,
 211                 other,
 212                 unknown,
 213         } display_type;
 214         bool active_off_supported;
 215         bool suspend_supported;
 216         bool standby_supported;
 217
 218         /* Color info FIXME: storage format */
 219         unsigned short redx, redy;
 220         unsigned short greenx, greeny;
 221         unsigned short bluex, bluey;
 222         unsigned short whitex, whitey;
 223
 224         /* Clock limits FIXME: storage format */
 225         unsigned int min_vfreq, max_vfreq;
 226         unsigned int min_hfreq, max_hfreq;
 227         unsigned int pixel_clock;
 228
 229         /* White point indices FIXME: storage format */
 230         unsigned int wpx1, wpy1;
 231         unsigned int wpgamma1;
 232         unsigned int wpx2, wpy2;
 233         unsigned int wpgamma2;
 234
 235         enum subpixel_order subpixel_order;
 236
 237         char *raw_edid; /* if any */
 238 };
 239
 240 struct drm_framebuffer_funcs {
 241         void (*destroy)(struct drm_framebuffer *framebuffer);
 242         int (*create_handle)(struct drm_framebuffer *fb,
 243                              struct drm_file *file_priv,
 244                              unsigned int *handle);
 245 };
 246
 247 struct drm_framebuffer {
 248         struct drm_device *dev;
 249         struct list_head head;
 250         struct drm_mode_object base;
 251         const struct drm_framebuffer_funcs *funcs;
 252         unsigned int pitch;
 253         unsigned int width;
 254         unsigned int height;
 255         /* depth can be 15 or 16 */
 256         unsigned int depth;
 257         int bits_per_pixel;
 258         int flags;
 259         void *fbdev;
 260         u32 pseudo_palette[17];
 261         struct list_head filp_head;
 262         /* if you are using the helper */
 263         void *helper_private;
 264 };
 265
 266 struct drm_property_blob {
 267         struct drm_mode_object base;
 268         struct list_head head;
 269         unsigned int length;
 270         void *data;
 271 };
 272
 273 struct drm_property_enum {
 274         uint64_t value;
 275         struct list_head head;
 276         char name[DRM_PROP_NAME_LEN];
 277 };
 278
 279 struct drm_property {
 280         struct list_head head;
 281         struct drm_mode_object base;
 282         uint32_t flags;
 283         char name[DRM_PROP_NAME_LEN];
 284         uint32_t num_values;
 285         uint64_t *values;
 286
 287         struct list_head enum_blob_list;
 288 };
 289
 290 struct drm_crtc;
 291 struct drm_connector;
 292 struct drm_encoder;
 293
 294 /**
 295  * drm_crtc_funcs - control CRTCs for a given device
 296  * @dpms: control display power levels
 297  * @save: save CRTC state
 298  * @resore: restore CRTC state
 299  * @lock: lock the CRTC
 300  * @unlock: unlock the CRTC
 301  * @shadow_allocate: allocate shadow pixmap
 302  * @shadow_create: create shadow pixmap for rotation support
 303  * @shadow_destroy: free shadow pixmap
 304  * @mode_fixup: fixup proposed mode
 305  * @mode_set: set the desired mode on the CRTC
 306  * @gamma_set: specify color ramp for CRTC
 307  * @destroy: deinit and free object.
 308  *
 309  * The drm_crtc_funcs structure is the central CRTC management structure
 310  * in the DRM.  Each CRTC controls one or more connectors (note that the name
 311  * CRTC is simply historical, a CRTC may control LVDS, VGA, DVI, TV out, etc.
 312  * connectors, not just CRTs).
 313  *
 314  * Each driver is responsible for filling out this structure at startup time,
 315  * in addition to providing other modesetting features, like i2c and DDC
 316  * bus accessors.
 317  */
 318 struct drm_crtc_funcs {
 319         /* Save CRTC state */
 320         void (*save)(struct drm_crtc *crtc); /* suspend? */
 321         /* Restore CRTC state */
 322         void (*restore)(struct drm_crtc *crtc); /* resume? */
 323
 324         /* cursor controls */
 325         int (*cursor_set)(struct drm_crtc *crtc, struct drm_file *file_priv,
 326                           uint32_t handle, uint32_t width, uint32_t height);
 327         int (*cursor_move)(struct drm_crtc *crtc, int x, int y);
 328
 329         /* Set gamma on the CRTC */
 330         void (*gamma_set)(struct drm_crtc *crtc, u16 *r, u16 *g, u16 *b,
 331                           uint32_t size);
 332         /* Object destroy routine */
 333         void (*destroy)(struct drm_crtc *crtc);
 334
 335         int (*set_config)(struct drm_mode_set *set);
 336 };
 337
 338 /**
 339  * drm_crtc - central CRTC control structure
 340  * @enabled: is this CRTC enabled?
 341  * @x: x position on screen
 342  * @y: y position on screen
 343  * @desired_mode: new desired mode
 344  * @desired_x: desired x for desired_mode
 345  * @desired_y: desired y for desired_mode
 346  * @funcs: CRTC control functions
 347  *
 348  * Each CRTC may have one or more connectors associated with it.  This structure
 349  * allows the CRTC to be controlled.
 350  */
 351 struct drm_crtc {
 352         struct drm_device *dev;
 353         struct list_head head;
 354
 355         struct drm_mode_object base;
 356
 357         /* framebuffer the connector is currently bound to */
 358         struct drm_framebuffer *fb;
 359
 360         bool enabled;
 361
 362         struct drm_display_mode mode;
 363
 364         int x, y;
 365         struct drm_display_mode *desired_mode;
 366         int desired_x, desired_y;
 367         const struct drm_crtc_funcs *funcs;
 368
 369         /* CRTC gamma size for reporting to userspace */
 370         uint32_t gamma_size;
 371         uint16_t *gamma_store;
 372
 373         /* if you are using the helper */
 374         void *helper_private;
 375 };
 376
 377
 378 /**
 379  * drm_connector_funcs - control connectors on a given device
 380  * @dpms: set power state (see drm_crtc_funcs above)
 381  * @save: save connector state
 382  * @restore: restore connector state
 383  * @mode_valid: is this mode valid on the given connector?
 384  * @mode_fixup: try to fixup proposed mode for this connector
 385  * @mode_set: set this mode
 386  * @detect: is this connector active?
 387  * @get_modes: get mode list for this connector
 388  * @set_property: property for this connector may need update
 389  * @destroy: make object go away
 390  * @force: notify the driver the connector is forced on
 391  *
 392  * Each CRTC may have one or more connectors attached to it.  The functions
 393  * below allow the core DRM code to control connectors, enumerate available modes,
 394  * etc.
 395  */
 396 struct drm_connector_funcs {
 397         void (*dpms)(struct drm_connector *connector, int mode);
 398         void (*save)(struct drm_connector *connector);
 399         void (*restore)(struct drm_connector *connector);
 400         enum drm_connector_status (*detect)(struct drm_connector *connector);
 401         int (*fill_modes)(struct drm_connector *connector, uint32_t max_width, uint32_t max_height);
 402         int (*set_property)(struct drm_connector *connector, struct drm_property *property,
 403                              uint64_t val);
 404         void (*destroy)(struct drm_connector *connector);
 405         void (*force)(struct drm_connector *connector);
 406 };
 407
 408 struct drm_encoder_funcs {
 409         void (*destroy)(struct drm_encoder *encoder);
 410 };
 411
 412 #define DRM_CONNECTOR_MAX_UMODES 16
 413 #define DRM_CONNECTOR_MAX_PROPERTY 16
 414 #define DRM_CONNECTOR_LEN 32
 415 #define DRM_CONNECTOR_MAX_ENCODER 2
 416
 417 /**
 418  * drm_encoder - central DRM encoder structure
 419  */
 420 struct drm_encoder {
 421         struct drm_device *dev;
 422         struct list_head head;
 423
 424         struct drm_mode_object base;
 425         int encoder_type;
 426         uint32_t possible_crtcs;
 427         uint32_t possible_clones;
 428
 429         struct drm_crtc *crtc;
 430         const struct drm_encoder_funcs *funcs;
 431         void *helper_private;
 432 };
 433
 434 enum drm_connector_force {
 435         DRM_FORCE_UNSPECIFIED,
 436         DRM_FORCE_OFF,
 437         DRM_FORCE_ON,         /* force on analog part normally */
 438         DRM_FORCE_ON_DIGITAL, /* for DVI-I use digital connector */
 439 };
 440
 441 /**
 442  * drm_connector - central DRM connector control structure
 443  * @crtc: CRTC this connector is currently connected to, NULL if none
 444  * @interlace_allowed: can this connector handle interlaced modes?
 445  * @doublescan_allowed: can this connector handle doublescan?
 446  * @available_modes: modes available on this connector (from get_modes() + user)
 447  * @initial_x: initial x position for this connector
 448  * @initial_y: initial y position for this connector
 449  * @status: connector connected?
 450  * @funcs: connector control functions
 451  *
 452  * Each connector may be connected to one or more CRTCs, or may be clonable by
 453  * another connector if they can share a CRTC.  Each connector also has a specific
 454  * position in the broader display (referred to as a 'screen' though it could
 455  * span multiple monitors).
 456  */
 457 struct drm_connector {
 458         struct drm_device *dev;
 459         struct device kdev;
 460         struct device_attribute *attr;
 461         struct list_head head;
 462
 463         struct drm_mode_object base;
 464
 465         int connector_type;
 466         int connector_type_id;
 467         bool interlace_allowed;
 468         bool doublescan_allowed;
 469         struct list_head modes; /* list of modes on this connector */
 470
 471         int initial_x, initial_y;
 472         enum drm_connector_status status;
 473
 474         /* these are modes added by probing with DDC or the BIOS */
 475         struct list_head probed_modes;
 476
 477         struct drm_display_info display_info;
 478         const struct drm_connector_funcs *funcs;
 479
 480         struct list_head user_modes;
 481         struct drm_property_blob *edid_blob_ptr;
 482         u32 property_ids[DRM_CONNECTOR_MAX_PROPERTY];
 483         uint64_t property_values[DRM_CONNECTOR_MAX_PROPERTY];
 484
 485         /* requested DPMS state */
 486         int dpms;
 487
 488         void *helper_private;
 489
 490         /* forced on connector */
 491         enum drm_connector_force force;
 492         uint32_t encoder_ids[DRM_CONNECTOR_MAX_ENCODER];
 493         uint32_t force_encoder_id;
 494         struct drm_encoder *encoder; /* currently active encoder */
 495         void *fb_helper_private;
 496 };
 497
 498 /**
 499  * struct drm_mode_set
 500  *
 501  * Represents a single crtc the connectors that it drives with what mode
 502  * and from which framebuffer it scans out from.
 503  *
 504  * This is used to set modes.
 505  */
 506 struct drm_mode_set {
 507         struct list_head head;
 508
 509         struct drm_framebuffer *fb;
 510         struct drm_crtc *crtc;
 511         struct drm_display_mode *mode;
 512
 513         uint32_t x;
 514         uint32_t y;
 515
 516         struct drm_connector **connectors;
 517         size_t num_connectors;
 518 };
 519
 520 /**
 521  * struct drm_mode_config_funcs - configure CRTCs for a given screen layout
 522  * @resize: adjust CRTCs as necessary for the proposed layout
 523  *
 524  * Currently only a resize hook is available.  DRM will call back into the
 525  * driver with a new screen width and height.  If the driver can't support
 526  * the proposed size, it can return false.  Otherwise it should adjust
 527  * the CRTC<->connector mappings as needed and update its view of the screen.
 528  */
 529 struct drm_mode_config_funcs {
 530         struct drm_framebuffer *(*fb_create)(struct drm_device *dev, struct drm_file *file_priv, struct drm_mode_fb_cmd *mode_cmd);
 531         int (*fb_changed)(struct drm_device *dev);
 532 };
 533
 534 struct drm_mode_group {
 535         uint32_t num_crtcs;
 536         uint32_t num_encoders;
 537         uint32_t num_connectors;
 538
 539         /* list of object IDs for this group */
 540         uint32_t *id_list;
 541 };
 542
 543 /**
 544  * drm_mode_config - Mode configuration control structure
 545  *
 546  */
 547 struct drm_mode_config {
 548         struct mutex mutex; /* protects configuration (mode lists etc.) */
 549         struct mutex idr_mutex; /* for IDR management */
 550         struct idr crtc_idr; /* use this idr for all IDs, fb, crtc, connector, modes - just makes life easier */
 551         /* this is limited to one for now */
 552         int num_fb;
 553         struct list_head fb_list;
 554         int num_connector;
 555         struct list_head connector_list;
 556         int num_encoder;
 557         struct list_head encoder_list;
 558
 559         int num_crtc;
 560         struct list_head crtc_list;
 561
 562         struct list_head property_list;
 563
 564         /* in-kernel framebuffers - hung of filp_head in drm_framebuffer */
 565         struct list_head fb_kernel_list;
 566
 567         int min_width, min_height;
 568         int max_width, max_height;
 569         struct drm_mode_config_funcs *funcs;
 570         resource_size_t fb_base;
 571
 572         /* pointers to standard properties */
 573         struct list_head property_blob_list;
 574         struct drm_property *edid_property;
 575         struct drm_property *dpms_property;
 576
 577         /* DVI-I properties */
 578         struct drm_property *dvi_i_subconnector_property;
 579         struct drm_property *dvi_i_select_subconnector_property;
 580
 581         /* TV properties */
 582         struct drm_property *tv_subconnector_property;
 583         struct drm_property *tv_select_subconnector_property;
 584         struct drm_property *tv_mode_property;
 585         struct drm_property *tv_left_margin_property;
 586         struct drm_property *tv_right_margin_property;
 587         struct drm_property *tv_top_margin_property;
 588         struct drm_property *tv_bottom_margin_property;
 589         struct drm_property *tv_brightness_property;
 590         struct drm_property *tv_contrast_property;
 591         struct drm_property *tv_flicker_reduction_property;
 592         struct drm_property *tv_overscan_property;
 593         struct drm_property *tv_saturation_property;
 594         struct drm_property *tv_hue_property;
 595
 596         /* Optional properties */
 597         struct drm_property *scaling_mode_property;
 598         struct drm_property *dithering_mode_property;
 599 };
 600
 601 #define obj_to_crtc(x) container_of(x, struct drm_crtc, base)
 602 #define obj_to_connector(x) container_of(x, struct drm_connector, base)
 603 #define obj_to_encoder(x) container_of(x, struct drm_encoder, base)
 604 #define obj_to_mode(x) container_of(x, struct drm_display_mode, base)
 605 #define obj_to_fb(x) container_of(x, struct drm_framebuffer, base)
 606 #define obj_to_property(x) container_of(x, struct drm_property, base)
 607 #define obj_to_blob(x) container_of(x, struct drm_property_blob, base)
 608
 609
 610 extern void drm_crtc_init(struct drm_device *dev,
 611                           struct drm_crtc *crtc,
 612                           const struct drm_crtc_funcs *funcs);
 613 extern void drm_crtc_cleanup(struct drm_crtc *crtc);
 614
 615 extern void drm_connector_init(struct drm_device *dev,
 616                             struct drm_connector *connector,
 617                             const struct drm_connector_funcs *funcs,
 618                             int connector_type);
 619
 620 extern void drm_connector_cleanup(struct drm_connector *connector);
 621
 622 extern void drm_encoder_init(struct drm_device *dev,
 623                              struct drm_encoder *encoder,
 624                              const struct drm_encoder_funcs *funcs,
 625                              int encoder_type);
 626
 627 extern void drm_encoder_cleanup(struct drm_encoder *encoder);
 628
 629 extern char *drm_get_connector_name(struct drm_connector *connector);
 630 extern char *drm_get_dpms_name(int val);
 631 extern char *drm_get_dvi_i_subconnector_name(int val);
 632 extern char *drm_get_dvi_i_select_name(int val);
 633 extern char *drm_get_tv_subconnector_name(int val);
 634 extern char *drm_get_tv_select_name(int val);
 635 extern void drm_fb_release(struct drm_file *file_priv);
 636 extern int drm_mode_group_init_legacy_group(struct drm_device *dev, struct drm_mode_group *group);
 637 extern struct edid *drm_get_edid(struct drm_connector *connector,
 638                                  struct i2c_adapter *adapter);
 639 extern int drm_do_probe_ddc_edid(struct i2c_adapter *adapter,
 640                                  unsigned char *buf, int len);
 641 extern int drm_add_edid_modes(struct drm_connector *connector, struct edid *edid);
 642 extern void drm_mode_probed_add(struct drm_connector *connector, struct drm_display_mode *mode);
 643 extern void drm_mode_remove(struct drm_connector *connector, struct drm_display_mode *mode);
 644 extern struct drm_display_mode *drm_mode_duplicate(struct drm_device *dev,
 645                                                    struct drm_display_mode *mode);
 646 extern void drm_mode_debug_printmodeline(struct drm_display_mode *mode);
 647 extern void drm_mode_config_init(struct drm_device *dev);
 648 extern void drm_mode_config_cleanup(struct drm_device *dev);
 649 extern void drm_mode_set_name(struct drm_display_mode *mode);
 650 extern bool drm_mode_equal(struct drm_display_mode *mode1, struct drm_display_mode *mode2);
 651 extern int drm_mode_width(struct drm_display_mode *mode);
 652 extern int drm_mode_height(struct drm_display_mode *mode);
 653
 654 /* for us by fb module */
 655 extern int drm_mode_attachmode_crtc(struct drm_device *dev,
 656                                     struct drm_crtc *crtc,
 657                                     struct drm_display_mode *mode);
 658 extern int drm_mode_detachmode_crtc(struct drm_device *dev, struct drm_display_mode *mode);
 659
 660 extern struct drm_display_mode *drm_mode_create(struct drm_device *dev);
 661 extern void drm_mode_destroy(struct drm_device *dev, struct drm_display_mode *mode);
 662 extern void drm_mode_list_concat(struct list_head *head,
 663                                  struct list_head *new);
 664 extern void drm_mode_validate_size(struct drm_device *dev,
 665                                    struct list_head *mode_list,
 666                                    int maxX, int maxY, int maxPitch);
 667 extern void drm_mode_prune_invalid(struct drm_device *dev,
 668                                    struct list_head *mode_list, bool verbose);
 669 extern void drm_mode_sort(struct list_head *mode_list);
 670 extern int drm_mode_vrefresh(struct drm_display_mode *mode);
 671 extern void drm_mode_set_crtcinfo(struct drm_display_mode *p,
 672                                   int adjust_flags);
 673 extern void drm_mode_connector_list_update(struct drm_connector *connector);
 674 extern int drm_mode_connector_update_edid_property(struct drm_connector *connector,
 675                                                 struct edid *edid);
 676 extern int drm_connector_property_set_value(struct drm_connector *connector,
 677                                          struct drm_property *property,
 678                                          uint64_t value);
 679 extern int drm_connector_property_get_value(struct drm_connector *connector,
 680                                          struct drm_property *property,
 681                                          uint64_t *value);
 682 extern struct drm_display_mode *drm_crtc_mode_create(struct drm_device *dev);
 683 extern void drm_framebuffer_set_object(struct drm_device *dev,
 684                                        unsigned long handle);
 685 extern int drm_framebuffer_init(struct drm_device *dev,
 686                                 struct drm_framebuffer *fb,
 687                                 const struct drm_framebuffer_funcs *funcs);
 688 extern void drm_framebuffer_cleanup(struct drm_framebuffer *fb);
 689 extern int drmfb_probe(struct drm_device *dev, struct drm_crtc *crtc);
 690 extern int drmfb_remove(struct drm_device *dev, struct drm_framebuffer *fb);
 691 extern void drm_crtc_probe_connector_modes(struct drm_device *dev, int maxX, int maxY);
 692 extern bool drm_crtc_in_use(struct drm_crtc *crtc);
 693
 694 extern int drm_connector_attach_property(struct drm_connector *connector,
 695                                       struct drm_property *property, uint64_t init_val);
 696 extern struct drm_property *drm_property_create(struct drm_device *dev, int flags,
 697                                                 const char *name, int num_values);
 698 extern void drm_property_destroy(struct drm_device *dev, struct drm_property *property);
 699 extern int drm_property_add_enum(struct drm_property *property, int index,
 700                                  uint64_t value, const char *name);
 701 extern int drm_mode_create_dvi_i_properties(struct drm_device *dev);
 702 extern int drm_mode_create_tv_properties(struct drm_device *dev, int num_formats,
 703                                      char *formats[]);
 704 extern int drm_mode_create_scaling_mode_property(struct drm_device *dev);
 705 extern int drm_mode_create_dithering_property(struct drm_device *dev);
 706 extern char *drm_get_encoder_name(struct drm_encoder *encoder);
 707
 708 extern int drm_mode_connector_attach_encoder(struct drm_connector *connector,
 709                                              struct drm_encoder *encoder);
 710 extern void drm_mode_connector_detach_encoder(struct drm_connector *connector,
 711                                            struct drm_encoder *encoder);
 712 extern bool drm_mode_crtc_set_gamma_size(struct drm_crtc *crtc,
 713                                          int gamma_size);
 714 extern void *drm_mode_object_find(struct drm_device *dev, uint32_t id, uint32_t type);
 715 /* IOCTLs */
 716 extern int drm_mode_getresources(struct drm_device *dev,
 717                                  void *data, struct drm_file *file_priv);
 718
 719 extern int drm_mode_getcrtc(struct drm_device *dev,
 720                             void *data, struct drm_file *file_priv);
 721 extern int drm_mode_getconnector(struct drm_device *dev,
 722                               void *data, struct drm_file *file_priv);
 723 extern int drm_mode_setcrtc(struct drm_device *dev,
 724                             void *data, struct drm_file *file_priv);
 725 extern int drm_mode_cursor_ioctl(struct drm_device *dev,
 726                                 void *data, struct drm_file *file_priv);
 727 extern int drm_mode_addfb(struct drm_device *dev,
 728                           void *data, struct drm_file *file_priv);
 729 extern int drm_mode_rmfb(struct drm_device *dev,
 730                          void *data, struct drm_file *file_priv);
 731 extern int drm_mode_getfb(struct drm_device *dev,
 732                           void *data, struct drm_file *file_priv);
 733 extern int drm_mode_addmode_ioctl(struct drm_device *dev,
 734                                   void *data, struct drm_file *file_priv);
 735 extern int drm_mode_rmmode_ioctl(struct drm_device *dev,
 736                                  void *data, struct drm_file *file_priv);
 737 extern int drm_mode_attachmode_ioctl(struct drm_device *dev,
 738                                      void *data, struct drm_file *file_priv);
 739 extern int drm_mode_detachmode_ioctl(struct drm_device *dev,
 740                                      void *data, struct drm_file *file_priv);
 741
 742 extern int drm_mode_getproperty_ioctl(struct drm_device *dev,
 743                                       void *data, struct drm_file *file_priv);
 744 extern int drm_mode_getblob_ioctl(struct drm_device *dev,
 745                                   void *data, struct drm_file *file_priv);
 746 extern int drm_mode_connector_property_set_ioctl(struct drm_device *dev,
 747                                               void *data, struct drm_file *file_priv);
 748 extern int drm_mode_hotplug_ioctl(struct drm_device *dev,
 749                                   void *data, struct drm_file *file_priv);
 750 extern int drm_mode_replacefb(struct drm_device *dev,
 751                               void *data, struct drm_file *file_priv);
 752 extern int drm_mode_getencoder(struct drm_device *dev,
 753                                void *data, struct drm_file *file_priv);
 754 extern int drm_mode_gamma_get_ioctl(struct drm_device *dev,
 755                                     void *data, struct drm_file *file_priv);
 756 extern int drm_mode_gamma_set_ioctl(struct drm_device *dev,
 757                                     void *data, struct drm_file *file_priv);
 758 extern bool drm_detect_hdmi_monitor(struct edid *edid);
 759 extern struct drm_display_mode *drm_cvt_mode(struct drm_device *dev,
 760                                 int hdisplay, int vdisplay, int vrefresh,
 761                                 bool reduced, bool interlaced, bool margins);
 762 extern struct drm_display_mode *drm_gtf_mode(struct drm_device *dev,
 763                                 int hdisplay, int vdisplay, int vrefresh,
 764                                 bool interlaced, int margins);
 765 extern int drm_add_modes_noedid(struct drm_connector *connector,
 766                                 int hdisplay, int vdisplay);
 767 #endif /* __DRM_CRTC_H__ */