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         /* 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          * Optinal callback for the dirty fb ioctl.
 247          *
 248          * Userspace can notify the driver via this callback
 249          * that a area of the framebuffer has changed and should
 250          * be flushed to the display hardware.
 251          *
 252          * See documentation in drm_mode.h for the struct
 253          * drm_mode_fb_dirty_cmd for more information as all
 254          * the semantics and arguments have a one to one mapping
 255          * on this function.
 256          */
 257         int (*dirty)(struct drm_framebuffer *framebuffer, unsigned flags,
 258                      unsigned color, struct drm_clip_rect *clips,
 259                      unsigned num_clips);
 260 };
 261
 262 struct drm_framebuffer {
 263         struct drm_device *dev;
 264         struct list_head head;
 265         struct drm_mode_object base;
 266         const struct drm_framebuffer_funcs *funcs;
 267         unsigned int pitch;
 268         unsigned int width;
 269         unsigned int height;
 270         /* depth can be 15 or 16 */
 271         unsigned int depth;
 272         int bits_per_pixel;
 273         int flags;
 274         struct fb_info *fbdev;
 275         u32 pseudo_palette[17];
 276         struct list_head filp_head;
 277         /* if you are using the helper */
 278         void *helper_private;
 279 };
 280
 281 struct drm_property_blob {
 282         struct drm_mode_object base;
 283         struct list_head head;
 284         unsigned int length;
 285         void *data;
 286 };
 287
 288 struct drm_property_enum {
 289         uint64_t value;
 290         struct list_head head;
 291         char name[DRM_PROP_NAME_LEN];
 292 };
 293
 294 struct drm_property {
 295         struct list_head head;
 296         struct drm_mode_object base;
 297         uint32_t flags;
 298         char name[DRM_PROP_NAME_LEN];
 299         uint32_t num_values;
 300         uint64_t *values;
 301
 302         struct list_head enum_blob_list;
 303 };
 304
 305 struct drm_crtc;
 306 struct drm_connector;
 307 struct drm_encoder;
 308 struct drm_pending_vblank_event;
 309
 310 /**
 311  * drm_crtc_funcs - control CRTCs for a given device
 312  * @dpms: control display power levels
 313  * @save: save CRTC state
 314  * @resore: restore CRTC state
 315  * @lock: lock the CRTC
 316  * @unlock: unlock the CRTC
 317  * @shadow_allocate: allocate shadow pixmap
 318  * @shadow_create: create shadow pixmap for rotation support
 319  * @shadow_destroy: free shadow pixmap
 320  * @mode_fixup: fixup proposed mode
 321  * @mode_set: set the desired mode on the CRTC
 322  * @gamma_set: specify color ramp for CRTC
 323  * @destroy: deinit and free object.
 324  *
 325  * The drm_crtc_funcs structure is the central CRTC management structure
 326  * in the DRM.  Each CRTC controls one or more connectors (note that the name
 327  * CRTC is simply historical, a CRTC may control LVDS, VGA, DVI, TV out, etc.
 328  * connectors, not just CRTs).
 329  *
 330  * Each driver is responsible for filling out this structure at startup time,
 331  * in addition to providing other modesetting features, like i2c and DDC
 332  * bus accessors.
 333  */
 334 struct drm_crtc_funcs {
 335         /* Save CRTC state */
 336         void (*save)(struct drm_crtc *crtc); /* suspend? */
 337         /* Restore CRTC state */
 338         void (*restore)(struct drm_crtc *crtc); /* resume? */
 339
 340         /* cursor controls */
 341         int (*cursor_set)(struct drm_crtc *crtc, struct drm_file *file_priv,
 342                           uint32_t handle, uint32_t width, uint32_t height);
 343         int (*cursor_move)(struct drm_crtc *crtc, int x, int y);
 344
 345         /* Set gamma on the CRTC */
 346         void (*gamma_set)(struct drm_crtc *crtc, u16 *r, u16 *g, u16 *b,
 347                           uint32_t size);
 348         /* Object destroy routine */
 349         void (*destroy)(struct drm_crtc *crtc);
 350
 351         int (*set_config)(struct drm_mode_set *set);
 352
 353         /*
 354          * Flip to the given framebuffer.  This implements the page
 355          * flip ioctl descibed in drm_mode.h, specifically, the
 356          * implementation must return immediately and block all
 357          * rendering to the current fb until the flip has completed.
 358          * If userspace set the event flag in the ioctl, the event
 359          * argument will point to an event to send back when the flip
 360          * completes, otherwise it will be NULL.
 361          */
 362         int (*page_flip)(struct drm_crtc *crtc,
 363                          struct drm_framebuffer *fb,
 364                          struct drm_pending_vblank_event *event);
 365 };
 366
 367 /**
 368  * drm_crtc - central CRTC control structure
 369  * @enabled: is this CRTC enabled?
 370  * @x: x position on screen
 371  * @y: y position on screen
 372  * @desired_mode: new desired mode
 373  * @desired_x: desired x for desired_mode
 374  * @desired_y: desired y for desired_mode
 375  * @funcs: CRTC control functions
 376  *
 377  * Each CRTC may have one or more connectors associated with it.  This structure
 378  * allows the CRTC to be controlled.
 379  */
 380 struct drm_crtc {
 381         struct drm_device *dev;
 382         struct list_head head;
 383
 384         struct drm_mode_object base;
 385
 386         /* framebuffer the connector is currently bound to */
 387         struct drm_framebuffer *fb;
 388
 389         bool enabled;
 390
 391         struct drm_display_mode mode;
 392
 393         int x, y;
 394         struct drm_display_mode *desired_mode;
 395         int desired_x, desired_y;
 396         const struct drm_crtc_funcs *funcs;
 397
 398         /* CRTC gamma size for reporting to userspace */
 399         uint32_t gamma_size;
 400         uint16_t *gamma_store;
 401
 402         /* if you are using the helper */
 403         void *helper_private;
 404 };
 405
 406
 407 /**
 408  * drm_connector_funcs - control connectors on a given device
 409  * @dpms: set power state (see drm_crtc_funcs above)
 410  * @save: save connector state
 411  * @restore: restore connector state
 412  * @mode_valid: is this mode valid on the given connector?
 413  * @mode_fixup: try to fixup proposed mode for this connector
 414  * @mode_set: set this mode
 415  * @detect: is this connector active?
 416  * @get_modes: get mode list for this connector
 417  * @set_property: property for this connector may need update
 418  * @destroy: make object go away
 419  * @force: notify the driver the connector is forced on
 420  *
 421  * Each CRTC may have one or more connectors attached to it.  The functions
 422  * below allow the core DRM code to control connectors, enumerate available modes,
 423  * etc.
 424  */
 425 struct drm_connector_funcs {
 426         void (*dpms)(struct drm_connector *connector, int mode);
 427         void (*save)(struct drm_connector *connector);
 428         void (*restore)(struct drm_connector *connector);
 429         enum drm_connector_status (*detect)(struct drm_connector *connector);
 430         int (*fill_modes)(struct drm_connector *connector, uint32_t max_width, uint32_t max_height);
 431         int (*set_property)(struct drm_connector *connector, struct drm_property *property,
 432                              uint64_t val);
 433         void (*destroy)(struct drm_connector *connector);
 434         void (*force)(struct drm_connector *connector);
 435 };
 436
 437 struct drm_encoder_funcs {
 438         void (*destroy)(struct drm_encoder *encoder);
 439 };
 440
 441 #define DRM_CONNECTOR_MAX_UMODES 16
 442 #define DRM_CONNECTOR_MAX_PROPERTY 16
 443 #define DRM_CONNECTOR_LEN 32
 444 #define DRM_CONNECTOR_MAX_ENCODER 2
 445
 446 /**
 447  * drm_encoder - central DRM encoder structure
 448  */
 449 struct drm_encoder {
 450         struct drm_device *dev;
 451         struct list_head head;
 452
 453         struct drm_mode_object base;
 454         int encoder_type;
 455         uint32_t possible_crtcs;
 456         uint32_t possible_clones;
 457
 458         struct drm_crtc *crtc;
 459         const struct drm_encoder_funcs *funcs;
 460         void *helper_private;
 461 };
 462
 463 enum drm_connector_force {
 464         DRM_FORCE_UNSPECIFIED,
 465         DRM_FORCE_OFF,
 466         DRM_FORCE_ON,         /* force on analog part normally */
 467         DRM_FORCE_ON_DIGITAL, /* for DVI-I use digital connector */
 468 };
 469
 470 /**
 471  * drm_connector - central DRM connector control structure
 472  * @crtc: CRTC this connector is currently connected to, NULL if none
 473  * @interlace_allowed: can this connector handle interlaced modes?
 474  * @doublescan_allowed: can this connector handle doublescan?
 475  * @available_modes: modes available on this connector (from get_modes() + user)
 476  * @initial_x: initial x position for this connector
 477  * @initial_y: initial y position for this connector
 478  * @status: connector connected?
 479  * @funcs: connector control functions
 480  *
 481  * Each connector may be connected to one or more CRTCs, or may be clonable by
 482  * another connector if they can share a CRTC.  Each connector also has a specific
 483  * position in the broader display (referred to as a 'screen' though it could
 484  * span multiple monitors).
 485  */
 486 struct drm_connector {
 487         struct drm_device *dev;
 488         struct device kdev;
 489         struct device_attribute *attr;
 490         struct list_head head;
 491
 492         struct drm_mode_object base;
 493
 494         int connector_type;
 495         int connector_type_id;
 496         bool interlace_allowed;
 497         bool doublescan_allowed;
 498         struct list_head modes; /* list of modes on this connector */
 499
 500         int initial_x, initial_y;
 501         enum drm_connector_status status;
 502
 503         /* these are modes added by probing with DDC or the BIOS */
 504         struct list_head probed_modes;
 505
 506         struct drm_display_info display_info;
 507         const struct drm_connector_funcs *funcs;
 508
 509         struct list_head user_modes;
 510         struct drm_property_blob *edid_blob_ptr;
 511         u32 property_ids[DRM_CONNECTOR_MAX_PROPERTY];
 512         uint64_t property_values[DRM_CONNECTOR_MAX_PROPERTY];
 513
 514         /* requested DPMS state */
 515         int dpms;
 516
 517         void *helper_private;
 518
 519         /* forced on connector */
 520         enum drm_connector_force force;
 521         uint32_t encoder_ids[DRM_CONNECTOR_MAX_ENCODER];
 522         uint32_t force_encoder_id;
 523         struct drm_encoder *encoder; /* currently active encoder */
 524         void *fb_helper_private;
 525 };
 526
 527 /**
 528  * struct drm_mode_set
 529  *
 530  * Represents a single crtc the connectors that it drives with what mode
 531  * and from which framebuffer it scans out from.
 532  *
 533  * This is used to set modes.
 534  */
 535 struct drm_mode_set {
 536         struct list_head head;
 537
 538         struct drm_framebuffer *fb;
 539         struct drm_crtc *crtc;
 540         struct drm_display_mode *mode;
 541
 542         uint32_t x;
 543         uint32_t y;
 544
 545         struct drm_connector **connectors;
 546         size_t num_connectors;
 547 };
 548
 549 /**
 550  * struct drm_mode_config_funcs - configure CRTCs for a given screen layout
 551  * @resize: adjust CRTCs as necessary for the proposed layout
 552  *
 553  * Currently only a resize hook is available.  DRM will call back into the
 554  * driver with a new screen width and height.  If the driver can't support
 555  * the proposed size, it can return false.  Otherwise it should adjust
 556  * the CRTC<->connector mappings as needed and update its view of the screen.
 557  */
 558 struct drm_mode_config_funcs {
 559         struct drm_framebuffer *(*fb_create)(struct drm_device *dev, struct drm_file *file_priv, struct drm_mode_fb_cmd *mode_cmd);
 560         int (*fb_changed)(struct drm_device *dev);
 561 };
 562
 563 struct drm_mode_group {
 564         uint32_t num_crtcs;
 565         uint32_t num_encoders;
 566         uint32_t num_connectors;
 567
 568         /* list of object IDs for this group */
 569         uint32_t *id_list;
 570 };
 571
 572 /**
 573  * drm_mode_config - Mode configuration control structure
 574  *
 575  */
 576 struct drm_mode_config {
 577         struct mutex mutex; /* protects configuration (mode lists etc.) */
 578         struct mutex idr_mutex; /* for IDR management */
 579         struct idr crtc_idr; /* use this idr for all IDs, fb, crtc, connector, modes - just makes life easier */
 580         /* this is limited to one for now */
 581         int num_fb;
 582         struct list_head fb_list;
 583         int num_connector;
 584         struct list_head connector_list;
 585         int num_encoder;
 586         struct list_head encoder_list;
 587
 588         int num_crtc;
 589         struct list_head crtc_list;
 590
 591         struct list_head property_list;
 592
 593         /* in-kernel framebuffers - hung of filp_head in drm_framebuffer */
 594         struct list_head fb_kernel_list;
 595
 596         int min_width, min_height;
 597         int max_width, max_height;
 598         struct drm_mode_config_funcs *funcs;
 599         resource_size_t fb_base;
 600
 601         /* pointers to standard properties */
 602         struct list_head property_blob_list;
 603         struct drm_property *edid_property;
 604         struct drm_property *dpms_property;
 605
 606         /* DVI-I properties */
 607         struct drm_property *dvi_i_subconnector_property;
 608         struct drm_property *dvi_i_select_subconnector_property;
 609
 610         /* TV properties */
 611         struct drm_property *tv_subconnector_property;
 612         struct drm_property *tv_select_subconnector_property;
 613         struct drm_property *tv_mode_property;
 614         struct drm_property *tv_left_margin_property;
 615         struct drm_property *tv_right_margin_property;
 616         struct drm_property *tv_top_margin_property;
 617         struct drm_property *tv_bottom_margin_property;
 618         struct drm_property *tv_brightness_property;
 619         struct drm_property *tv_contrast_property;
 620         struct drm_property *tv_flicker_reduction_property;
 621         struct drm_property *tv_overscan_property;
 622         struct drm_property *tv_saturation_property;
 623         struct drm_property *tv_hue_property;
 624
 625         /* Optional properties */
 626         struct drm_property *scaling_mode_property;
 627         struct drm_property *dithering_mode_property;
 628         struct drm_property *dirty_info_property;
 629 };
 630
 631 #define obj_to_crtc(x) container_of(x, struct drm_crtc, base)
 632 #define obj_to_connector(x) container_of(x, struct drm_connector, base)
 633 #define obj_to_encoder(x) container_of(x, struct drm_encoder, base)
 634 #define obj_to_mode(x) container_of(x, struct drm_display_mode, base)
 635 #define obj_to_fb(x) container_of(x, struct drm_framebuffer, base)
 636 #define obj_to_property(x) container_of(x, struct drm_property, base)
 637 #define obj_to_blob(x) container_of(x, struct drm_property_blob, base)
 638
 639
 640 extern void drm_crtc_init(struct drm_device *dev,
 641                           struct drm_crtc *crtc,
 642                           const struct drm_crtc_funcs *funcs);
 643 extern void drm_crtc_cleanup(struct drm_crtc *crtc);
 644
 645 extern void drm_connector_init(struct drm_device *dev,
 646                             struct drm_connector *connector,
 647                             const struct drm_connector_funcs *funcs,
 648                             int connector_type);
 649
 650 extern void drm_connector_cleanup(struct drm_connector *connector);
 651
 652 extern void drm_encoder_init(struct drm_device *dev,
 653                              struct drm_encoder *encoder,
 654                              const struct drm_encoder_funcs *funcs,
 655                              int encoder_type);
 656
 657 extern void drm_encoder_cleanup(struct drm_encoder *encoder);
 658
 659 extern char *drm_get_connector_name(struct drm_connector *connector);
 660 extern char *drm_get_dpms_name(int val);
 661 extern char *drm_get_dvi_i_subconnector_name(int val);
 662 extern char *drm_get_dvi_i_select_name(int val);
 663 extern char *drm_get_tv_subconnector_name(int val);
 664 extern char *drm_get_tv_select_name(int val);
 665 extern void drm_fb_release(struct drm_file *file_priv);
 666 extern int drm_mode_group_init_legacy_group(struct drm_device *dev, struct drm_mode_group *group);
 667 extern struct edid *drm_get_edid(struct drm_connector *connector,
 668                                  struct i2c_adapter *adapter);
 669 extern int drm_do_probe_ddc_edid(struct i2c_adapter *adapter,
 670                                  unsigned char *buf, int len);
 671 extern int drm_add_edid_modes(struct drm_connector *connector, struct edid *edid);
 672 extern void drm_mode_probed_add(struct drm_connector *connector, struct drm_display_mode *mode);
 673 extern void drm_mode_remove(struct drm_connector *connector, struct drm_display_mode *mode);
 674 extern struct drm_display_mode *drm_mode_duplicate(struct drm_device *dev,
 675                                                    struct drm_display_mode *mode);
 676 extern void drm_mode_debug_printmodeline(struct drm_display_mode *mode);
 677 extern void drm_mode_config_init(struct drm_device *dev);
 678 extern void drm_mode_config_cleanup(struct drm_device *dev);
 679 extern void drm_mode_set_name(struct drm_display_mode *mode);
 680 extern bool drm_mode_equal(struct drm_display_mode *mode1, struct drm_display_mode *mode2);
 681 extern int drm_mode_width(struct drm_display_mode *mode);
 682 extern int drm_mode_height(struct drm_display_mode *mode);
 683
 684 /* for us by fb module */
 685 extern int drm_mode_attachmode_crtc(struct drm_device *dev,
 686                                     struct drm_crtc *crtc,
 687                                     struct drm_display_mode *mode);
 688 extern int drm_mode_detachmode_crtc(struct drm_device *dev, struct drm_display_mode *mode);
 689
 690 extern struct drm_display_mode *drm_mode_create(struct drm_device *dev);
 691 extern void drm_mode_destroy(struct drm_device *dev, struct drm_display_mode *mode);
 692 extern void drm_mode_list_concat(struct list_head *head,
 693                                  struct list_head *new);
 694 extern void drm_mode_validate_size(struct drm_device *dev,
 695                                    struct list_head *mode_list,
 696                                    int maxX, int maxY, int maxPitch);
 697 extern void drm_mode_prune_invalid(struct drm_device *dev,
 698                                    struct list_head *mode_list, bool verbose);
 699 extern void drm_mode_sort(struct list_head *mode_list);
 700 extern int drm_mode_hsync(struct drm_display_mode *mode);
 701 extern int drm_mode_vrefresh(struct drm_display_mode *mode);
 702 extern void drm_mode_set_crtcinfo(struct drm_display_mode *p,
 703                                   int adjust_flags);
 704 extern void drm_mode_connector_list_update(struct drm_connector *connector);
 705 extern int drm_mode_connector_update_edid_property(struct drm_connector *connector,
 706                                                 struct edid *edid);
 707 extern int drm_connector_property_set_value(struct drm_connector *connector,
 708                                          struct drm_property *property,
 709                                          uint64_t value);
 710 extern int drm_connector_property_get_value(struct drm_connector *connector,
 711                                          struct drm_property *property,
 712                                          uint64_t *value);
 713 extern struct drm_display_mode *drm_crtc_mode_create(struct drm_device *dev);
 714 extern void drm_framebuffer_set_object(struct drm_device *dev,
 715                                        unsigned long handle);
 716 extern int drm_framebuffer_init(struct drm_device *dev,
 717                                 struct drm_framebuffer *fb,
 718                                 const struct drm_framebuffer_funcs *funcs);
 719 extern void drm_framebuffer_cleanup(struct drm_framebuffer *fb);
 720 extern int drmfb_probe(struct drm_device *dev, struct drm_crtc *crtc);
 721 extern int drmfb_remove(struct drm_device *dev, struct drm_framebuffer *fb);
 722 extern void drm_crtc_probe_connector_modes(struct drm_device *dev, int maxX, int maxY);
 723 extern bool drm_crtc_in_use(struct drm_crtc *crtc);
 724
 725 extern int drm_connector_attach_property(struct drm_connector *connector,
 726                                       struct drm_property *property, uint64_t init_val);
 727 extern struct drm_property *drm_property_create(struct drm_device *dev, int flags,
 728                                                 const char *name, int num_values);
 729 extern void drm_property_destroy(struct drm_device *dev, struct drm_property *property);
 730 extern int drm_property_add_enum(struct drm_property *property, int index,
 731                                  uint64_t value, const char *name);
 732 extern int drm_mode_create_dvi_i_properties(struct drm_device *dev);
 733 extern int drm_mode_create_tv_properties(struct drm_device *dev, int num_formats,
 734                                      char *formats[]);
 735 extern int drm_mode_create_scaling_mode_property(struct drm_device *dev);
 736 extern int drm_mode_create_dithering_property(struct drm_device *dev);
 737 extern int drm_mode_create_dirty_info_property(struct drm_device *dev);
 738 extern char *drm_get_encoder_name(struct drm_encoder *encoder);
 739
 740 extern int drm_mode_connector_attach_encoder(struct drm_connector *connector,
 741                                              struct drm_encoder *encoder);
 742 extern void drm_mode_connector_detach_encoder(struct drm_connector *connector,
 743                                            struct drm_encoder *encoder);
 744 extern bool drm_mode_crtc_set_gamma_size(struct drm_crtc *crtc,
 745                                          int gamma_size);
 746 extern struct drm_mode_object *drm_mode_object_find(struct drm_device *dev,
 747                 uint32_t id, uint32_t type);
 748 /* IOCTLs */
 749 extern int drm_mode_getresources(struct drm_device *dev,
 750                                  void *data, struct drm_file *file_priv);
 751
 752 extern int drm_mode_getcrtc(struct drm_device *dev,
 753                             void *data, struct drm_file *file_priv);
 754 extern int drm_mode_getconnector(struct drm_device *dev,
 755                               void *data, struct drm_file *file_priv);
 756 extern int drm_mode_setcrtc(struct drm_device *dev,
 757                             void *data, struct drm_file *file_priv);
 758 extern int drm_mode_cursor_ioctl(struct drm_device *dev,
 759                                 void *data, struct drm_file *file_priv);
 760 extern int drm_mode_addfb(struct drm_device *dev,
 761                           void *data, struct drm_file *file_priv);
 762 extern int drm_mode_rmfb(struct drm_device *dev,
 763                          void *data, struct drm_file *file_priv);
 764 extern int drm_mode_getfb(struct drm_device *dev,
 765                           void *data, struct drm_file *file_priv);
 766 extern int drm_mode_dirtyfb_ioctl(struct drm_device *dev,
 767                                   void *data, struct drm_file *file_priv);
 768 extern int drm_mode_addmode_ioctl(struct drm_device *dev,
 769                                   void *data, struct drm_file *file_priv);
 770 extern int drm_mode_rmmode_ioctl(struct drm_device *dev,
 771                                  void *data, struct drm_file *file_priv);
 772 extern int drm_mode_attachmode_ioctl(struct drm_device *dev,
 773                                      void *data, struct drm_file *file_priv);
 774 extern int drm_mode_detachmode_ioctl(struct drm_device *dev,
 775                                      void *data, struct drm_file *file_priv);
 776
 777 extern int drm_mode_getproperty_ioctl(struct drm_device *dev,
 778                                       void *data, struct drm_file *file_priv);
 779 extern int drm_mode_getblob_ioctl(struct drm_device *dev,
 780                                   void *data, struct drm_file *file_priv);
 781 extern int drm_mode_connector_property_set_ioctl(struct drm_device *dev,
 782                                               void *data, struct drm_file *file_priv);
 783 extern int drm_mode_hotplug_ioctl(struct drm_device *dev,
 784                                   void *data, struct drm_file *file_priv);
 785 extern int drm_mode_replacefb(struct drm_device *dev,
 786                               void *data, struct drm_file *file_priv);
 787 extern int drm_mode_getencoder(struct drm_device *dev,
 788                                void *data, struct drm_file *file_priv);
 789 extern int drm_mode_gamma_get_ioctl(struct drm_device *dev,
 790                                     void *data, struct drm_file *file_priv);
 791 extern int drm_mode_gamma_set_ioctl(struct drm_device *dev,
 792                                     void *data, struct drm_file *file_priv);
 793 extern bool drm_detect_hdmi_monitor(struct edid *edid);
 794 extern int drm_mode_page_flip_ioctl(struct drm_device *dev,
 795                                     void *data, struct drm_file *file_priv);
 796 extern struct drm_display_mode *drm_cvt_mode(struct drm_device *dev,
 797                                 int hdisplay, int vdisplay, int vrefresh,
 798                                 bool reduced, bool interlaced, bool margins);
 799 extern struct drm_display_mode *drm_gtf_mode(struct drm_device *dev,
 800                                 int hdisplay, int vdisplay, int vrefresh,
 801                                 bool interlaced, int margins);
 802 extern int drm_add_modes_noedid(struct drm_connector *connector,
 803                                 int hdisplay, int vdisplay);
 804
 805 extern bool drm_edid_is_valid(struct edid *edid);
 806 #endif /* __DRM_CRTC_H__ */