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 matching name */
  69     MODE_NO_INTERLACE,  /* interlaced mode not supported */
  70     MODE_NO_DBLESCAN,   /* doublescan mode not supported */
  71     MODE_NO_VSCAN,      /* multiscan mode not supported */
  72     MODE_MEM,           /* insufficient video memory */
  73     MODE_VIRTUAL_X,     /* mode width too large for specified virtual size */
  74     MODE_VIRTUAL_Y,     /* mode height too large for specified virtual size */
  75     MODE_MEM_VIRT,      /* insufficient video memory given virtual size */
  76     MODE_NOCLOCK,       /* no fixed clock available */
  77     MODE_CLOCK_HIGH,    /* clock required is too high */
  78     MODE_CLOCK_LOW,     /* clock required is too low */
  79     MODE_CLOCK_RANGE,   /* clock/mode isn't in a ClockRange */
  80     MODE_BAD_HVALUE,    /* horizontal timing was out of range */
  81     MODE_BAD_VVALUE,    /* vertical timing was out of range */
  82     MODE_BAD_VSCAN,     /* VScan value out of range */
  83     MODE_HSYNC_NARROW,  /* horizontal sync too narrow */
  84     MODE_HSYNC_WIDE,    /* horizontal sync too wide */
  85     MODE_HBLANK_NARROW, /* horizontal blanking too narrow */
  86     MODE_HBLANK_WIDE,   /* horizontal blanking too wide */
  87     MODE_VSYNC_NARROW,  /* vertical sync too narrow */
  88     MODE_VSYNC_WIDE,    /* vertical sync too wide */
  89     MODE_VBLANK_NARROW, /* vertical blanking too narrow */
  90     MODE_VBLANK_WIDE,   /* vertical blanking too wide */
  91     MODE_PANEL,         /* exceeds panel dimensions */
  92     MODE_INTERLACE_WIDTH, /* width too large for interlaced mode */
  93     MODE_ONE_WIDTH,     /* only one width is supported */
  94     MODE_ONE_HEIGHT,    /* only one height is supported */
  95     MODE_ONE_SIZE,      /* only one resolution is supported */
  96     MODE_NO_REDUCED,    /* monitor doesn't accept reduced blanking */
  97     MODE_UNVERIFIED = -3, /* mode needs to reverified */
  98     MODE_BAD = -2,      /* unspecified reason */
  99     MODE_ERROR  = -1    /* error condition */
 100 };
 101
 102 #define DRM_MODE_TYPE_CLOCK_CRTC_C (DRM_MODE_TYPE_CLOCK_C | \
 103                                     DRM_MODE_TYPE_CRTC_C)
 104
 105 #define DRM_MODE(nm, t, c, hd, hss, hse, ht, hsk, vd, vss, vse, vt, vs, f) \
 106         .name = nm, .status = 0, .type = (t), .clock = (c), \
 107         .hdisplay = (hd), .hsync_start = (hss), .hsync_end = (hse), \
 108         .htotal = (ht), .hskew = (hsk), .vdisplay = (vd), \
 109         .vsync_start = (vss), .vsync_end = (vse), .vtotal = (vt), \
 110         .vscan = (vs), .flags = (f), .vrefresh = 0
 111
 112 #define CRTC_INTERLACE_HALVE_V 0x1 /* halve V values for interlacing */
 113
 114 struct drm_display_mode {
 115         /* Header */
 116         struct list_head head;
 117         struct drm_mode_object base;
 118
 119         char name[DRM_DISPLAY_MODE_LEN];
 120
 121         int connector_count;
 122         enum drm_mode_status status;
 123         int type;
 124
 125         /* Proposed mode values */
 126         int clock;              /* in kHz */
 127         int hdisplay;
 128         int hsync_start;
 129         int hsync_end;
 130         int htotal;
 131         int hskew;
 132         int vdisplay;
 133         int vsync_start;
 134         int vsync_end;
 135         int vtotal;
 136         int vscan;
 137         unsigned int flags;
 138
 139         /* Addressable image size (may be 0 for projectors, etc.) */
 140         int width_mm;
 141         int height_mm;
 142
 143         /* Actual mode we give to hw */
 144         int clock_index;
 145         int synth_clock;
 146         int crtc_hdisplay;
 147         int crtc_hblank_start;
 148         int crtc_hblank_end;
 149         int crtc_hsync_start;
 150         int crtc_hsync_end;
 151         int crtc_htotal;
 152         int crtc_hskew;
 153         int crtc_vdisplay;
 154         int crtc_vblank_start;
 155         int crtc_vblank_end;
 156         int crtc_vsync_start;
 157         int crtc_vsync_end;
 158         int crtc_vtotal;
 159         int crtc_hadjusted;
 160         int crtc_vadjusted;
 161
 162         /* Driver private mode info */
 163         int private_size;
 164         int *private;
 165         int private_flags;
 166
 167         int vrefresh;           /* in Hz */
 168         int hsync;              /* in kHz */
 169 };
 170
 171 enum drm_connector_status {
 172         connector_status_connected = 1,
 173         connector_status_disconnected = 2,
 174         connector_status_unknown = 3,
 175 };
 176
 177 enum subpixel_order {
 178         SubPixelUnknown = 0,
 179         SubPixelHorizontalRGB,
 180         SubPixelHorizontalBGR,
 181         SubPixelVerticalRGB,
 182         SubPixelVerticalBGR,
 183         SubPixelNone,
 184 };
 185
 186 #define DRM_COLOR_FORMAT_RGB444         (1<<0)
 187 #define DRM_COLOR_FORMAT_YCRCB444       (1<<1)
 188 #define DRM_COLOR_FORMAT_YCRCB422       (1<<2)
 189 /*
 190  * Describes a given display (e.g. CRT or flat panel) and its limitations.
 191  */
 192 struct drm_display_info {
 193         char name[DRM_DISPLAY_INFO_LEN];
 194
 195         /* Physical size */
 196         unsigned int width_mm;
 197         unsigned int height_mm;
 198
 199         /* Clock limits FIXME: storage format */
 200         unsigned int min_vfreq, max_vfreq;
 201         unsigned int min_hfreq, max_hfreq;
 202         unsigned int pixel_clock;
 203         unsigned int bpc;
 204
 205         enum subpixel_order subpixel_order;
 206         u32 color_formats;
 207
 208         u8 cea_rev;
 209
 210         char *raw_edid; /* if any */
 211 };
 212
 213 struct drm_framebuffer_funcs {
 214         void (*destroy)(struct drm_framebuffer *framebuffer);
 215         int (*create_handle)(struct drm_framebuffer *fb,
 216                              struct drm_file *file_priv,
 217                              unsigned int *handle);
 218         /**
 219          * Optinal callback for the dirty fb ioctl.
 220          *
 221          * Userspace can notify the driver via this callback
 222          * that a area of the framebuffer has changed and should
 223          * be flushed to the display hardware.
 224          *
 225          * See documentation in drm_mode.h for the struct
 226          * drm_mode_fb_dirty_cmd for more information as all
 227          * the semantics and arguments have a one to one mapping
 228          * on this function.
 229          */
 230         int (*dirty)(struct drm_framebuffer *framebuffer,
 231                      struct drm_file *file_priv, unsigned flags,
 232                      unsigned color, struct drm_clip_rect *clips,
 233                      unsigned num_clips);
 234 };
 235
 236 struct drm_framebuffer {
 237         struct drm_device *dev;
 238         struct list_head head;
 239         struct drm_mode_object base;
 240         const struct drm_framebuffer_funcs *funcs;
 241         unsigned int pitch;
 242         unsigned int width;
 243         unsigned int height;
 244         /* depth can be 15 or 16 */
 245         unsigned int depth;
 246         int bits_per_pixel;
 247         int flags;
 248         struct list_head filp_head;
 249         /* if you are using the helper */
 250         void *helper_private;
 251 };
 252
 253 struct drm_property_blob {
 254         struct drm_mode_object base;
 255         struct list_head head;
 256         unsigned int length;
 257         void *data;
 258 };
 259
 260 struct drm_property_enum {
 261         uint64_t value;
 262         struct list_head head;
 263         char name[DRM_PROP_NAME_LEN];
 264 };
 265
 266 struct drm_property {
 267         struct list_head head;
 268         struct drm_mode_object base;
 269         uint32_t flags;
 270         char name[DRM_PROP_NAME_LEN];
 271         uint32_t num_values;
 272         uint64_t *values;
 273
 274         struct list_head enum_blob_list;
 275 };
 276
 277 struct drm_crtc;
 278 struct drm_connector;
 279 struct drm_encoder;
 280 struct drm_pending_vblank_event;
 281
 282 /**
 283  * drm_crtc_funcs - control CRTCs for a given device
 284  * @reset: reset CRTC after state has been invalidate (e.g. resume)
 285  * @dpms: control display power levels
 286  * @save: save CRTC state
 287  * @resore: restore CRTC state
 288  * @lock: lock the CRTC
 289  * @unlock: unlock the CRTC
 290  * @shadow_allocate: allocate shadow pixmap
 291  * @shadow_create: create shadow pixmap for rotation support
 292  * @shadow_destroy: free shadow pixmap
 293  * @mode_fixup: fixup proposed mode
 294  * @mode_set: set the desired mode on the CRTC
 295  * @gamma_set: specify color ramp for CRTC
 296  * @destroy: deinit and free object.
 297  *
 298  * The drm_crtc_funcs structure is the central CRTC management structure
 299  * in the DRM.  Each CRTC controls one or more connectors (note that the name
 300  * CRTC is simply historical, a CRTC may control LVDS, VGA, DVI, TV out, etc.
 301  * connectors, not just CRTs).
 302  *
 303  * Each driver is responsible for filling out this structure at startup time,
 304  * in addition to providing other modesetting features, like i2c and DDC
 305  * bus accessors.
 306  */
 307 struct drm_crtc_funcs {
 308         /* Save CRTC state */
 309         void (*save)(struct drm_crtc *crtc); /* suspend? */
 310         /* Restore CRTC state */
 311         void (*restore)(struct drm_crtc *crtc); /* resume? */
 312         /* Reset CRTC state */
 313         void (*reset)(struct drm_crtc *crtc);
 314
 315         /* cursor controls */
 316         int (*cursor_set)(struct drm_crtc *crtc, struct drm_file *file_priv,
 317                           uint32_t handle, uint32_t width, uint32_t height);
 318         int (*cursor_move)(struct drm_crtc *crtc, int x, int y);
 319
 320         /* Set gamma on the CRTC */
 321         void (*gamma_set)(struct drm_crtc *crtc, u16 *r, u16 *g, u16 *b,
 322                           uint32_t start, uint32_t size);
 323         /* Object destroy routine */
 324         void (*destroy)(struct drm_crtc *crtc);
 325
 326         int (*set_config)(struct drm_mode_set *set);
 327
 328         /*
 329          * Flip to the given framebuffer.  This implements the page
 330          * flip ioctl described in drm_mode.h, specifically, the
 331          * implementation must return immediately and block all
 332          * rendering to the current fb until the flip has completed.
 333          * If userspace set the event flag in the ioctl, the event
 334          * argument will point to an event to send back when the flip
 335          * completes, otherwise it will be NULL.
 336          */
 337         int (*page_flip)(struct drm_crtc *crtc,
 338                          struct drm_framebuffer *fb,
 339                          struct drm_pending_vblank_event *event);
 340 };
 341
 342 /**
 343  * drm_crtc - central CRTC control structure
 344  * @enabled: is this CRTC enabled?
 345  * @x: x position on screen
 346  * @y: y position on screen
 347  * @funcs: CRTC control functions
 348  *
 349  * Each CRTC may have one or more connectors associated with it.  This structure
 350  * allows the CRTC to be controlled.
 351  */
 352 struct drm_crtc {
 353         struct drm_device *dev;
 354         struct list_head head;
 355
 356         struct drm_mode_object base;
 357
 358         /* framebuffer the connector is currently bound to */
 359         struct drm_framebuffer *fb;
 360
 361         bool enabled;
 362
 363         /* Requested mode from modesetting. */
 364         struct drm_display_mode mode;
 365
 366         /* Programmed mode in hw, after adjustments for encoders,
 367          * crtc, panel scaling etc. Needed for timestamping etc.
 368          */
 369         struct drm_display_mode hwmode;
 370
 371         int x, y;
 372         const struct drm_crtc_funcs *funcs;
 373
 374         /* CRTC gamma size for reporting to userspace */
 375         uint32_t gamma_size;
 376         uint16_t *gamma_store;
 377
 378         /* Constants needed for precise vblank and swap timestamping. */
 379         s64 framedur_ns, linedur_ns, pixeldur_ns;
 380
 381         /* if you are using the helper */
 382         void *helper_private;
 383 };
 384
 385
 386 /**
 387  * drm_connector_funcs - control connectors on a given device
 388  * @dpms: set power state (see drm_crtc_funcs above)
 389  * @save: save connector state
 390  * @restore: restore connector state
 391  * @reset: reset connector after state has been invalidate (e.g. resume)
 392  * @mode_valid: is this mode valid on the given connector?
 393  * @mode_fixup: try to fixup proposed mode for this connector
 394  * @mode_set: set this mode
 395  * @detect: is this connector active?
 396  * @get_modes: get mode list for this connector
 397  * @set_property: property for this connector may need update
 398  * @destroy: make object go away
 399  * @force: notify the driver the connector is forced on
 400  *
 401  * Each CRTC may have one or more connectors attached to it.  The functions
 402  * below allow the core DRM code to control connectors, enumerate available modes,
 403  * etc.
 404  */
 405 struct drm_connector_funcs {
 406         void (*dpms)(struct drm_connector *connector, int mode);
 407         void (*save)(struct drm_connector *connector);
 408         void (*restore)(struct drm_connector *connector);
 409         void (*reset)(struct drm_connector *connector);
 410
 411         /* Check to see if anything is attached to the connector.
 412          * @force is set to false whilst polling, true when checking the
 413          * connector due to user request. @force can be used by the driver
 414          * to avoid expensive, destructive operations during automated
 415          * probing.
 416          */
 417         enum drm_connector_status (*detect)(struct drm_connector *connector,
 418                                             bool force);
 419         int (*fill_modes)(struct drm_connector *connector, uint32_t max_width, uint32_t max_height);
 420         int (*set_property)(struct drm_connector *connector, struct drm_property *property,
 421                              uint64_t val);
 422         void (*destroy)(struct drm_connector *connector);
 423         void (*force)(struct drm_connector *connector);
 424 };
 425
 426 struct drm_encoder_funcs {
 427         void (*reset)(struct drm_encoder *encoder);
 428         void (*destroy)(struct drm_encoder *encoder);
 429 };
 430
 431 #define DRM_CONNECTOR_MAX_UMODES 16
 432 #define DRM_CONNECTOR_MAX_PROPERTY 16
 433 #define DRM_CONNECTOR_LEN 32
 434 #define DRM_CONNECTOR_MAX_ENCODER 2
 435
 436 /**
 437  * drm_encoder - central DRM encoder structure
 438  */
 439 struct drm_encoder {
 440         struct drm_device *dev;
 441         struct list_head head;
 442
 443         struct drm_mode_object base;
 444         int encoder_type;
 445         uint32_t possible_crtcs;
 446         uint32_t possible_clones;
 447
 448         struct drm_crtc *crtc;
 449         const struct drm_encoder_funcs *funcs;
 450         void *helper_private;
 451 };
 452
 453 enum drm_connector_force {
 454         DRM_FORCE_UNSPECIFIED,
 455         DRM_FORCE_OFF,
 456         DRM_FORCE_ON,         /* force on analog part normally */
 457         DRM_FORCE_ON_DIGITAL, /* for DVI-I use digital connector */
 458 };
 459
 460 /* should we poll this connector for connects and disconnects */
 461 /* hot plug detectable */
 462 #define DRM_CONNECTOR_POLL_HPD (1 << 0)
 463 /* poll for connections */
 464 #define DRM_CONNECTOR_POLL_CONNECT (1 << 1)
 465 /* can cleanly poll for disconnections without flickering the screen */
 466 /* DACs should rarely do this without a lot of testing */
 467 #define DRM_CONNECTOR_POLL_DISCONNECT (1 << 2)
 468
 469 #define MAX_ELD_BYTES   128
 470
 471 /**
 472  * drm_connector - central DRM connector control structure
 473  * @crtc: CRTC this connector is currently connected to, NULL if none
 474  * @interlace_allowed: can this connector handle interlaced modes?
 475  * @doublescan_allowed: can this connector handle doublescan?
 476  * @available_modes: modes available on this connector (from get_modes() + user)
 477  * @initial_x: initial x position for this connector
 478  * @initial_y: initial y position for this connector
 479  * @status: connector connected?
 480  * @funcs: connector control functions
 481  *
 482  * Each connector may be connected to one or more CRTCs, or may be clonable by
 483  * another connector if they can share a CRTC.  Each connector also has a specific
 484  * position in the broader display (referred to as a 'screen' though it could
 485  * span multiple monitors).
 486  */
 487 struct drm_connector {
 488         struct drm_device *dev;
 489         struct device kdev;
 490         struct device_attribute *attr;
 491         struct list_head head;
 492
 493         struct drm_mode_object base;
 494
 495         int connector_type;
 496         int connector_type_id;
 497         bool interlace_allowed;
 498         bool doublescan_allowed;
 499         struct list_head modes; /* list of modes on this connector */
 500
 501         int initial_x, initial_y;
 502         enum drm_connector_status status;
 503
 504         /* these are modes added by probing with DDC or the BIOS */
 505         struct list_head probed_modes;
 506
 507         struct drm_display_info display_info;
 508         const struct drm_connector_funcs *funcs;
 509
 510         struct list_head user_modes;
 511         struct drm_property_blob *edid_blob_ptr;
 512         u32 property_ids[DRM_CONNECTOR_MAX_PROPERTY];
 513         uint64_t property_values[DRM_CONNECTOR_MAX_PROPERTY];
 514
 515         uint8_t polled; /* DRM_CONNECTOR_POLL_* */
 516
 517         /* requested DPMS state */
 518         int dpms;
 519
 520         void *helper_private;
 521
 522         /* forced on connector */
 523         enum drm_connector_force force;
 524         uint32_t encoder_ids[DRM_CONNECTOR_MAX_ENCODER];
 525         uint32_t force_encoder_id;
 526         struct drm_encoder *encoder; /* currently active encoder */
 527
 528         /* EDID bits */
 529         uint8_t eld[MAX_ELD_BYTES];
 530         bool dvi_dual;
 531         int max_tmds_clock;     /* in MHz */
 532         bool latency_present[2];
 533         int video_latency[2];   /* [0]: progressive, [1]: interlaced */
 534         int audio_latency[2];
 535         int null_edid_counter; /* needed to workaround some HW bugs where we get all 0s */
 536 };
 537
 538 /**
 539  * struct drm_mode_set
 540  *
 541  * Represents a single crtc the connectors that it drives with what mode
 542  * and from which framebuffer it scans out from.
 543  *
 544  * This is used to set modes.
 545  */
 546 struct drm_mode_set {
 547         struct list_head head;
 548
 549         struct drm_framebuffer *fb;
 550         struct drm_crtc *crtc;
 551         struct drm_display_mode *mode;
 552
 553         uint32_t x;
 554         uint32_t y;
 555
 556         struct drm_connector **connectors;
 557         size_t num_connectors;
 558 };
 559
 560 /**
 561  * struct drm_mode_config_funcs - configure CRTCs for a given screen layout
 562  */
 563 struct drm_mode_config_funcs {
 564         struct drm_framebuffer *(*fb_create)(struct drm_device *dev, struct drm_file *file_priv, struct drm_mode_fb_cmd *mode_cmd);
 565         void (*output_poll_changed)(struct drm_device *dev);
 566 };
 567
 568 struct drm_mode_group {
 569         uint32_t num_crtcs;
 570         uint32_t num_encoders;
 571         uint32_t num_connectors;
 572
 573         /* list of object IDs for this group */
 574         uint32_t *id_list;
 575 };
 576
 577 /**
 578  * drm_mode_config - Mode configuration control structure
 579  *
 580  */
 581 struct drm_mode_config {
 582         struct mutex mutex; /* protects configuration (mode lists etc.) */
 583         struct mutex idr_mutex; /* for IDR management */
 584         struct idr crtc_idr; /* use this idr for all IDs, fb, crtc, connector, modes - just makes life easier */
 585         /* this is limited to one for now */
 586         int num_fb;
 587         struct list_head fb_list;
 588         int num_connector;
 589         struct list_head connector_list;
 590         int num_encoder;
 591         struct list_head encoder_list;
 592
 593         int num_crtc;
 594         struct list_head crtc_list;
 595
 596         struct list_head property_list;
 597
 598         int min_width, min_height;
 599         int max_width, max_height;
 600         struct drm_mode_config_funcs *funcs;
 601         resource_size_t fb_base;
 602
 603         /* output poll support */
 604         bool poll_enabled;
 605         struct delayed_work output_poll_work;
 606
 607         /* pointers to standard properties */
 608         struct list_head property_blob_list;
 609         struct drm_property *edid_property;
 610         struct drm_property *dpms_property;
 611
 612         /* DVI-I properties */
 613         struct drm_property *dvi_i_subconnector_property;
 614         struct drm_property *dvi_i_select_subconnector_property;
 615
 616         /* TV properties */
 617         struct drm_property *tv_subconnector_property;
 618         struct drm_property *tv_select_subconnector_property;
 619         struct drm_property *tv_mode_property;
 620         struct drm_property *tv_left_margin_property;
 621         struct drm_property *tv_right_margin_property;
 622         struct drm_property *tv_top_margin_property;
 623         struct drm_property *tv_bottom_margin_property;
 624         struct drm_property *tv_brightness_property;
 625         struct drm_property *tv_contrast_property;
 626         struct drm_property *tv_flicker_reduction_property;
 627         struct drm_property *tv_overscan_property;
 628         struct drm_property *tv_saturation_property;
 629         struct drm_property *tv_hue_property;
 630
 631         /* Optional properties */
 632         struct drm_property *scaling_mode_property;
 633         struct drm_property *dithering_mode_property;
 634         struct drm_property *dirty_info_property;
 635 };
 636
 637 #define obj_to_crtc(x) container_of(x, struct drm_crtc, base)
 638 #define obj_to_connector(x) container_of(x, struct drm_connector, base)
 639 #define obj_to_encoder(x) container_of(x, struct drm_encoder, base)
 640 #define obj_to_mode(x) container_of(x, struct drm_display_mode, base)
 641 #define obj_to_fb(x) container_of(x, struct drm_framebuffer, base)
 642 #define obj_to_property(x) container_of(x, struct drm_property, base)
 643 #define obj_to_blob(x) container_of(x, struct drm_property_blob, base)
 644
 645
 646 extern void drm_crtc_init(struct drm_device *dev,
 647                           struct drm_crtc *crtc,
 648                           const struct drm_crtc_funcs *funcs);
 649 extern void drm_crtc_cleanup(struct drm_crtc *crtc);
 650
 651 extern void drm_connector_init(struct drm_device *dev,
 652                             struct drm_connector *connector,
 653                             const struct drm_connector_funcs *funcs,
 654                             int connector_type);
 655
 656 extern void drm_connector_cleanup(struct drm_connector *connector);
 657
 658 extern void drm_encoder_init(struct drm_device *dev,
 659                              struct drm_encoder *encoder,
 660                              const struct drm_encoder_funcs *funcs,
 661                              int encoder_type);
 662
 663 extern void drm_encoder_cleanup(struct drm_encoder *encoder);
 664
 665 extern char *drm_get_connector_name(struct drm_connector *connector);
 666 extern char *drm_get_dpms_name(int val);
 667 extern char *drm_get_dvi_i_subconnector_name(int val);
 668 extern char *drm_get_dvi_i_select_name(int val);
 669 extern char *drm_get_tv_subconnector_name(int val);
 670 extern char *drm_get_tv_select_name(int val);
 671 extern void drm_fb_release(struct drm_file *file_priv);
 672 extern int drm_mode_group_init_legacy_group(struct drm_device *dev, struct drm_mode_group *group);
 673 extern struct edid *drm_get_edid(struct drm_connector *connector,
 674                                  struct i2c_adapter *adapter);
 675 extern int drm_add_edid_modes(struct drm_connector *connector, struct edid *edid);
 676 extern void drm_mode_probed_add(struct drm_connector *connector, struct drm_display_mode *mode);
 677 extern void drm_mode_remove(struct drm_connector *connector, struct drm_display_mode *mode);
 678 extern struct drm_display_mode *drm_mode_duplicate(struct drm_device *dev,
 679                                                    const struct drm_display_mode *mode);
 680 extern void drm_mode_debug_printmodeline(struct drm_display_mode *mode);
 681 extern void drm_mode_config_init(struct drm_device *dev);
 682 extern void drm_mode_config_reset(struct drm_device *dev);
 683 extern void drm_mode_config_cleanup(struct drm_device *dev);
 684 extern void drm_mode_set_name(struct drm_display_mode *mode);
 685 extern bool drm_mode_equal(struct drm_display_mode *mode1, struct drm_display_mode *mode2);
 686 extern int drm_mode_width(struct drm_display_mode *mode);
 687 extern int drm_mode_height(struct drm_display_mode *mode);
 688
 689 /* for us by fb module */
 690 extern int drm_mode_attachmode_crtc(struct drm_device *dev,
 691                                     struct drm_crtc *crtc,
 692                                     struct drm_display_mode *mode);
 693 extern int drm_mode_detachmode_crtc(struct drm_device *dev, struct drm_display_mode *mode);
 694
 695 extern struct drm_display_mode *drm_mode_create(struct drm_device *dev);
 696 extern void drm_mode_destroy(struct drm_device *dev, struct drm_display_mode *mode);
 697 extern void drm_mode_list_concat(struct list_head *head,
 698                                  struct list_head *new);
 699 extern void drm_mode_validate_size(struct drm_device *dev,
 700                                    struct list_head *mode_list,
 701                                    int maxX, int maxY, int maxPitch);
 702 extern void drm_mode_prune_invalid(struct drm_device *dev,
 703                                    struct list_head *mode_list, bool verbose);
 704 extern void drm_mode_sort(struct list_head *mode_list);
 705 extern int drm_mode_hsync(const struct drm_display_mode *mode);
 706 extern int drm_mode_vrefresh(const struct drm_display_mode *mode);
 707 extern void drm_mode_set_crtcinfo(struct drm_display_mode *p,
 708                                   int adjust_flags);
 709 extern void drm_mode_connector_list_update(struct drm_connector *connector);
 710 extern int drm_mode_connector_update_edid_property(struct drm_connector *connector,
 711                                                 struct edid *edid);
 712 extern int drm_connector_property_set_value(struct drm_connector *connector,
 713                                          struct drm_property *property,
 714                                          uint64_t value);
 715 extern int drm_connector_property_get_value(struct drm_connector *connector,
 716                                          struct drm_property *property,
 717                                          uint64_t *value);
 718 extern struct drm_display_mode *drm_crtc_mode_create(struct drm_device *dev);
 719 extern void drm_framebuffer_set_object(struct drm_device *dev,
 720                                        unsigned long handle);
 721 extern int drm_framebuffer_init(struct drm_device *dev,
 722                                 struct drm_framebuffer *fb,
 723                                 const struct drm_framebuffer_funcs *funcs);
 724 extern void drm_framebuffer_cleanup(struct drm_framebuffer *fb);
 725 extern int drmfb_probe(struct drm_device *dev, struct drm_crtc *crtc);
 726 extern int drmfb_remove(struct drm_device *dev, struct drm_framebuffer *fb);
 727 extern void drm_crtc_probe_connector_modes(struct drm_device *dev, int maxX, int maxY);
 728 extern bool drm_crtc_in_use(struct drm_crtc *crtc);
 729
 730 extern int drm_connector_attach_property(struct drm_connector *connector,
 731                                       struct drm_property *property, uint64_t init_val);
 732 extern struct drm_property *drm_property_create(struct drm_device *dev, int flags,
 733                                                 const char *name, int num_values);
 734 extern void drm_property_destroy(struct drm_device *dev, struct drm_property *property);
 735 extern int drm_property_add_enum(struct drm_property *property, int index,
 736                                  uint64_t value, const char *name);
 737 extern int drm_mode_create_dvi_i_properties(struct drm_device *dev);
 738 extern int drm_mode_create_tv_properties(struct drm_device *dev, int num_formats,
 739                                      char *formats[]);
 740 extern int drm_mode_create_scaling_mode_property(struct drm_device *dev);
 741 extern int drm_mode_create_dithering_property(struct drm_device *dev);
 742 extern int drm_mode_create_dirty_info_property(struct drm_device *dev);
 743 extern char *drm_get_encoder_name(struct drm_encoder *encoder);
 744
 745 extern int drm_mode_connector_attach_encoder(struct drm_connector *connector,
 746                                              struct drm_encoder *encoder);
 747 extern void drm_mode_connector_detach_encoder(struct drm_connector *connector,
 748                                            struct drm_encoder *encoder);
 749 extern bool drm_mode_crtc_set_gamma_size(struct drm_crtc *crtc,
 750                                          int gamma_size);
 751 extern struct drm_mode_object *drm_mode_object_find(struct drm_device *dev,
 752                 uint32_t id, uint32_t type);
 753 /* IOCTLs */
 754 extern int drm_mode_getresources(struct drm_device *dev,
 755                                  void *data, struct drm_file *file_priv);
 756
 757 extern int drm_mode_getcrtc(struct drm_device *dev,
 758                             void *data, struct drm_file *file_priv);
 759 extern int drm_mode_getconnector(struct drm_device *dev,
 760                               void *data, struct drm_file *file_priv);
 761 extern int drm_mode_setcrtc(struct drm_device *dev,
 762                             void *data, struct drm_file *file_priv);
 763 extern int drm_mode_cursor_ioctl(struct drm_device *dev,
 764                                 void *data, struct drm_file *file_priv);
 765 extern int drm_mode_addfb(struct drm_device *dev,
 766                           void *data, struct drm_file *file_priv);
 767 extern int drm_mode_rmfb(struct drm_device *dev,
 768                          void *data, struct drm_file *file_priv);
 769 extern int drm_mode_getfb(struct drm_device *dev,
 770                           void *data, struct drm_file *file_priv);
 771 extern int drm_mode_dirtyfb_ioctl(struct drm_device *dev,
 772                                   void *data, struct drm_file *file_priv);
 773 extern int drm_mode_addmode_ioctl(struct drm_device *dev,
 774                                   void *data, struct drm_file *file_priv);
 775 extern int drm_mode_rmmode_ioctl(struct drm_device *dev,
 776                                  void *data, struct drm_file *file_priv);
 777 extern int drm_mode_attachmode_ioctl(struct drm_device *dev,
 778                                      void *data, struct drm_file *file_priv);
 779 extern int drm_mode_detachmode_ioctl(struct drm_device *dev,
 780                                      void *data, struct drm_file *file_priv);
 781
 782 extern int drm_mode_getproperty_ioctl(struct drm_device *dev,
 783                                       void *data, struct drm_file *file_priv);
 784 extern int drm_mode_getblob_ioctl(struct drm_device *dev,
 785                                   void *data, struct drm_file *file_priv);
 786 extern int drm_mode_connector_property_set_ioctl(struct drm_device *dev,
 787                                               void *data, struct drm_file *file_priv);
 788 extern int drm_mode_hotplug_ioctl(struct drm_device *dev,
 789                                   void *data, struct drm_file *file_priv);
 790 extern int drm_mode_replacefb(struct drm_device *dev,
 791                               void *data, struct drm_file *file_priv);
 792 extern int drm_mode_getencoder(struct drm_device *dev,
 793                                void *data, struct drm_file *file_priv);
 794 extern int drm_mode_gamma_get_ioctl(struct drm_device *dev,
 795                                     void *data, struct drm_file *file_priv);
 796 extern int drm_mode_gamma_set_ioctl(struct drm_device *dev,
 797                                     void *data, struct drm_file *file_priv);
 798 extern u8 *drm_find_cea_extension(struct edid *edid);
 799 extern bool drm_detect_hdmi_monitor(struct edid *edid);
 800 extern bool drm_detect_monitor_audio(struct edid *edid);
 801 extern int drm_mode_page_flip_ioctl(struct drm_device *dev,
 802                                     void *data, struct drm_file *file_priv);
 803 extern struct drm_display_mode *drm_cvt_mode(struct drm_device *dev,
 804                                 int hdisplay, int vdisplay, int vrefresh,
 805                                 bool reduced, bool interlaced, bool margins);
 806 extern struct drm_display_mode *drm_gtf_mode(struct drm_device *dev,
 807                                 int hdisplay, int vdisplay, int vrefresh,
 808                                 bool interlaced, int margins);
 809 extern struct drm_display_mode *drm_gtf_mode_complex(struct drm_device *dev,
 810                                 int hdisplay, int vdisplay, int vrefresh,
 811                                 bool interlaced, int margins, int GTF_M,
 812                                 int GTF_2C, int GTF_K, int GTF_2J);
 813 extern int drm_add_modes_noedid(struct drm_connector *connector,
 814                                 int hdisplay, int vdisplay);
 815
 816 extern int drm_edid_header_is_valid(const u8 *raw_edid);
 817 extern bool drm_edid_is_valid(struct edid *edid);
 818 struct drm_display_mode *drm_mode_find_dmt(struct drm_device *dev,
 819                                            int hsize, int vsize, int fresh);
 820
 821 extern int drm_mode_create_dumb_ioctl(struct drm_device *dev,
 822                                       void *data, struct drm_file *file_priv);
 823 extern int drm_mode_mmap_dumb_ioctl(struct drm_device *dev,
 824                                     void *data, struct drm_file *file_priv);
 825 extern int drm_mode_destroy_dumb_ioctl(struct drm_device *dev,
 826                                       void *data, struct drm_file *file_priv);
 827 #endif /* __DRM_CRTC_H__ */