| 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 | #include <linux/fb.h> |
| 33 | |
| 34 | #include <drm/drm_fourcc.h> |
| 35 | |
| 36 | struct drm_device; |
| 37 | struct drm_mode_set; |
| 38 | struct drm_framebuffer; |
| 39 | struct drm_object_properties; |
| 40 | |
| 41 | |
| 42 | #define DRM_MODE_OBJECT_CRTC 0xcccccccc |
| 43 | #define DRM_MODE_OBJECT_CONNECTOR 0xc0c0c0c0 |
| 44 | #define DRM_MODE_OBJECT_ENCODER 0xe0e0e0e0 |
| 45 | #define DRM_MODE_OBJECT_MODE 0xdededede |
| 46 | #define DRM_MODE_OBJECT_PROPERTY 0xb0b0b0b0 |
| 47 | #define DRM_MODE_OBJECT_FB 0xfbfbfbfb |
| 48 | #define DRM_MODE_OBJECT_BLOB 0xbbbbbbbb |
| 49 | #define DRM_MODE_OBJECT_PLANE 0xeeeeeeee |
| 50 | |
| 51 | struct drm_mode_object { |
| 52 | uint32_t id; |
| 53 | uint32_t type; |
| 54 | struct drm_object_properties *properties; |
| 55 | }; |
| 56 | |
| 57 | #define DRM_OBJECT_MAX_PROPERTY 24 |
| 58 | struct drm_object_properties { |
| 59 | int count; |
| 60 | uint32_t ids[DRM_OBJECT_MAX_PROPERTY]; |
| 61 | uint64_t values[DRM_OBJECT_MAX_PROPERTY]; |
| 62 | }; |
| 63 | |
| 64 | /* |
| 65 | * Note on terminology: here, for brevity and convenience, we refer to connector |
| 66 | * control chips as 'CRTCs'. They can control any type of connector, VGA, LVDS, |
| 67 | * DVI, etc. And 'screen' refers to the whole of the visible display, which |
| 68 | * may span multiple monitors (and therefore multiple CRTC and connector |
| 69 | * structures). |
| 70 | */ |
| 71 | |
| 72 | enum drm_mode_status { |
| 73 | MODE_OK = 0, /* Mode OK */ |
| 74 | MODE_HSYNC, /* hsync out of range */ |
| 75 | MODE_VSYNC, /* vsync out of range */ |
| 76 | MODE_H_ILLEGAL, /* mode has illegal horizontal timings */ |
| 77 | MODE_V_ILLEGAL, /* mode has illegal horizontal timings */ |
| 78 | MODE_BAD_WIDTH, /* requires an unsupported linepitch */ |
| 79 | MODE_NOMODE, /* no mode with a matching name */ |
| 80 | MODE_NO_INTERLACE, /* interlaced mode not supported */ |
| 81 | MODE_NO_DBLESCAN, /* doublescan mode not supported */ |
| 82 | MODE_NO_VSCAN, /* multiscan mode not supported */ |
| 83 | MODE_MEM, /* insufficient video memory */ |
| 84 | MODE_VIRTUAL_X, /* mode width too large for specified virtual size */ |
| 85 | MODE_VIRTUAL_Y, /* mode height too large for specified virtual size */ |
| 86 | MODE_MEM_VIRT, /* insufficient video memory given virtual size */ |
| 87 | MODE_NOCLOCK, /* no fixed clock available */ |
| 88 | MODE_CLOCK_HIGH, /* clock required is too high */ |
| 89 | MODE_CLOCK_LOW, /* clock required is too low */ |
| 90 | MODE_CLOCK_RANGE, /* clock/mode isn't in a ClockRange */ |
| 91 | MODE_BAD_HVALUE, /* horizontal timing was out of range */ |
| 92 | MODE_BAD_VVALUE, /* vertical timing was out of range */ |
| 93 | MODE_BAD_VSCAN, /* VScan value out of range */ |
| 94 | MODE_HSYNC_NARROW, /* horizontal sync too narrow */ |
| 95 | MODE_HSYNC_WIDE, /* horizontal sync too wide */ |
| 96 | MODE_HBLANK_NARROW, /* horizontal blanking too narrow */ |
| 97 | MODE_HBLANK_WIDE, /* horizontal blanking too wide */ |
| 98 | MODE_VSYNC_NARROW, /* vertical sync too narrow */ |
| 99 | MODE_VSYNC_WIDE, /* vertical sync too wide */ |
| 100 | MODE_VBLANK_NARROW, /* vertical blanking too narrow */ |
| 101 | MODE_VBLANK_WIDE, /* vertical blanking too wide */ |
| 102 | MODE_PANEL, /* exceeds panel dimensions */ |
| 103 | MODE_INTERLACE_WIDTH, /* width too large for interlaced mode */ |
| 104 | MODE_ONE_WIDTH, /* only one width is supported */ |
| 105 | MODE_ONE_HEIGHT, /* only one height is supported */ |
| 106 | MODE_ONE_SIZE, /* only one resolution is supported */ |
| 107 | MODE_NO_REDUCED, /* monitor doesn't accept reduced blanking */ |
| 108 | MODE_UNVERIFIED = -3, /* mode needs to reverified */ |
| 109 | MODE_BAD = -2, /* unspecified reason */ |
| 110 | MODE_ERROR = -1 /* error condition */ |
| 111 | }; |
| 112 | |
| 113 | #define DRM_MODE_TYPE_CLOCK_CRTC_C (DRM_MODE_TYPE_CLOCK_C | \ |
| 114 | DRM_MODE_TYPE_CRTC_C) |
| 115 | |
| 116 | #define DRM_MODE(nm, t, c, hd, hss, hse, ht, hsk, vd, vss, vse, vt, vs, f) \ |
| 117 | .name = nm, .status = 0, .type = (t), .clock = (c), \ |
| 118 | .hdisplay = (hd), .hsync_start = (hss), .hsync_end = (hse), \ |
| 119 | .htotal = (ht), .hskew = (hsk), .vdisplay = (vd), \ |
| 120 | .vsync_start = (vss), .vsync_end = (vse), .vtotal = (vt), \ |
| 121 | .vscan = (vs), .flags = (f), .vrefresh = 0, \ |
| 122 | .base.type = DRM_MODE_OBJECT_MODE |
| 123 | |
| 124 | #define CRTC_INTERLACE_HALVE_V 0x1 /* halve V values for interlacing */ |
| 125 | |
| 126 | struct drm_display_mode { |
| 127 | /* Header */ |
| 128 | struct list_head head; |
| 129 | struct drm_mode_object base; |
| 130 | |
| 131 | char name[DRM_DISPLAY_MODE_LEN]; |
| 132 | |
| 133 | enum drm_mode_status status; |
| 134 | unsigned int type; |
| 135 | |
| 136 | /* Proposed mode values */ |
| 137 | int clock; /* in kHz */ |
| 138 | int hdisplay; |
| 139 | int hsync_start; |
| 140 | int hsync_end; |
| 141 | int htotal; |
| 142 | int hskew; |
| 143 | int vdisplay; |
| 144 | int vsync_start; |
| 145 | int vsync_end; |
| 146 | int vtotal; |
| 147 | int vscan; |
| 148 | unsigned int flags; |
| 149 | |
| 150 | /* Addressable image size (may be 0 for projectors, etc.) */ |
| 151 | int width_mm; |
| 152 | int height_mm; |
| 153 | |
| 154 | /* Actual mode we give to hw */ |
| 155 | int clock_index; |
| 156 | int synth_clock; |
| 157 | int crtc_hdisplay; |
| 158 | int crtc_hblank_start; |
| 159 | int crtc_hblank_end; |
| 160 | int crtc_hsync_start; |
| 161 | int crtc_hsync_end; |
| 162 | int crtc_htotal; |
| 163 | int crtc_hskew; |
| 164 | int crtc_vdisplay; |
| 165 | int crtc_vblank_start; |
| 166 | int crtc_vblank_end; |
| 167 | int crtc_vsync_start; |
| 168 | int crtc_vsync_end; |
| 169 | int crtc_vtotal; |
| 170 | |
| 171 | /* Driver private mode info */ |
| 172 | int private_size; |
| 173 | int *private; |
| 174 | int private_flags; |
| 175 | |
| 176 | int vrefresh; /* in Hz */ |
| 177 | int hsync; /* in kHz */ |
| 178 | }; |
| 179 | |
| 180 | enum drm_connector_status { |
| 181 | connector_status_connected = 1, |
| 182 | connector_status_disconnected = 2, |
| 183 | connector_status_unknown = 3, |
| 184 | }; |
| 185 | |
| 186 | enum subpixel_order { |
| 187 | SubPixelUnknown = 0, |
| 188 | SubPixelHorizontalRGB, |
| 189 | SubPixelHorizontalBGR, |
| 190 | SubPixelVerticalRGB, |
| 191 | SubPixelVerticalBGR, |
| 192 | SubPixelNone, |
| 193 | }; |
| 194 | |
| 195 | #define DRM_COLOR_FORMAT_RGB444 (1<<0) |
| 196 | #define DRM_COLOR_FORMAT_YCRCB444 (1<<1) |
| 197 | #define DRM_COLOR_FORMAT_YCRCB422 (1<<2) |
| 198 | /* |
| 199 | * Describes a given display (e.g. CRT or flat panel) and its limitations. |
| 200 | */ |
| 201 | struct drm_display_info { |
| 202 | char name[DRM_DISPLAY_INFO_LEN]; |
| 203 | |
| 204 | /* Physical size */ |
| 205 | unsigned int width_mm; |
| 206 | unsigned int height_mm; |
| 207 | |
| 208 | /* Clock limits FIXME: storage format */ |
| 209 | unsigned int min_vfreq, max_vfreq; |
| 210 | unsigned int min_hfreq, max_hfreq; |
| 211 | unsigned int pixel_clock; |
| 212 | unsigned int bpc; |
| 213 | |
| 214 | enum subpixel_order subpixel_order; |
| 215 | u32 color_formats; |
| 216 | |
| 217 | u8 cea_rev; |
| 218 | }; |
| 219 | |
| 220 | struct drm_framebuffer_funcs { |
| 221 | /* note: use drm_framebuffer_remove() */ |
| 222 | void (*destroy)(struct drm_framebuffer *framebuffer); |
| 223 | int (*create_handle)(struct drm_framebuffer *fb, |
| 224 | struct drm_file *file_priv, |
| 225 | unsigned int *handle); |
| 226 | /** |
| 227 | * Optinal callback for the dirty fb ioctl. |
| 228 | * |
| 229 | * Userspace can notify the driver via this callback |
| 230 | * that a area of the framebuffer has changed and should |
| 231 | * be flushed to the display hardware. |
| 232 | * |
| 233 | * See documentation in drm_mode.h for the struct |
| 234 | * drm_mode_fb_dirty_cmd for more information as all |
| 235 | * the semantics and arguments have a one to one mapping |
| 236 | * on this function. |
| 237 | */ |
| 238 | int (*dirty)(struct drm_framebuffer *framebuffer, |
| 239 | struct drm_file *file_priv, unsigned flags, |
| 240 | unsigned color, struct drm_clip_rect *clips, |
| 241 | unsigned num_clips); |
| 242 | }; |
| 243 | |
| 244 | struct drm_framebuffer { |
| 245 | struct drm_device *dev; |
| 246 | /* |
| 247 | * Note that the fb is refcounted for the benefit of driver internals, |
| 248 | * for example some hw, disabling a CRTC/plane is asynchronous, and |
| 249 | * scanout does not actually complete until the next vblank. So some |
| 250 | * cleanup (like releasing the reference(s) on the backing GEM bo(s)) |
| 251 | * should be deferred. In cases like this, the driver would like to |
| 252 | * hold a ref to the fb even though it has already been removed from |
| 253 | * userspace perspective. |
| 254 | */ |
| 255 | struct kref refcount; |
| 256 | struct list_head head; |
| 257 | struct drm_mode_object base; |
| 258 | const struct drm_framebuffer_funcs *funcs; |
| 259 | unsigned int pitches[4]; |
| 260 | unsigned int offsets[4]; |
| 261 | unsigned int width; |
| 262 | unsigned int height; |
| 263 | /* depth can be 15 or 16 */ |
| 264 | unsigned int depth; |
| 265 | int bits_per_pixel; |
| 266 | int flags; |
| 267 | uint32_t pixel_format; /* fourcc format */ |
| 268 | struct list_head filp_head; |
| 269 | /* if you are using the helper */ |
| 270 | void *helper_private; |
| 271 | }; |
| 272 | |
| 273 | struct drm_property_blob { |
| 274 | struct drm_mode_object base; |
| 275 | struct list_head head; |
| 276 | unsigned int length; |
| 277 | unsigned char data[]; |
| 278 | }; |
| 279 | |
| 280 | struct drm_property_enum { |
| 281 | uint64_t value; |
| 282 | struct list_head head; |
| 283 | char name[DRM_PROP_NAME_LEN]; |
| 284 | }; |
| 285 | |
| 286 | struct drm_property { |
| 287 | struct list_head head; |
| 288 | struct drm_mode_object base; |
| 289 | uint32_t flags; |
| 290 | char name[DRM_PROP_NAME_LEN]; |
| 291 | uint32_t num_values; |
| 292 | uint64_t *values; |
| 293 | |
| 294 | struct list_head enum_blob_list; |
| 295 | }; |
| 296 | |
| 297 | struct drm_crtc; |
| 298 | struct drm_connector; |
| 299 | struct drm_encoder; |
| 300 | struct drm_pending_vblank_event; |
| 301 | struct drm_plane; |
| 302 | |
| 303 | /** |
| 304 | * drm_crtc_funcs - control CRTCs for a given device |
| 305 | * @save: save CRTC state |
| 306 | * @restore: restore CRTC state |
| 307 | * @reset: reset CRTC after state has been invalidate (e.g. resume) |
| 308 | * @cursor_set: setup the cursor |
| 309 | * @cursor_move: move the cursor |
| 310 | * @gamma_set: specify color ramp for CRTC |
| 311 | * @destroy: deinit and free object |
| 312 | * @set_property: called when a property is changed |
| 313 | * @set_config: apply a new CRTC configuration |
| 314 | * @page_flip: initiate a page flip |
| 315 | * |
| 316 | * The drm_crtc_funcs structure is the central CRTC management structure |
| 317 | * in the DRM. Each CRTC controls one or more connectors (note that the name |
| 318 | * CRTC is simply historical, a CRTC may control LVDS, VGA, DVI, TV out, etc. |
| 319 | * connectors, not just CRTs). |
| 320 | * |
| 321 | * Each driver is responsible for filling out this structure at startup time, |
| 322 | * in addition to providing other modesetting features, like i2c and DDC |
| 323 | * bus accessors. |
| 324 | */ |
| 325 | struct drm_crtc_funcs { |
| 326 | /* Save CRTC state */ |
| 327 | void (*save)(struct drm_crtc *crtc); /* suspend? */ |
| 328 | /* Restore CRTC state */ |
| 329 | void (*restore)(struct drm_crtc *crtc); /* resume? */ |
| 330 | /* Reset CRTC state */ |
| 331 | void (*reset)(struct drm_crtc *crtc); |
| 332 | |
| 333 | /* cursor controls */ |
| 334 | int (*cursor_set)(struct drm_crtc *crtc, struct drm_file *file_priv, |
| 335 | uint32_t handle, uint32_t width, uint32_t height); |
| 336 | int (*cursor_move)(struct drm_crtc *crtc, int x, int y); |
| 337 | |
| 338 | /* Set gamma on the CRTC */ |
| 339 | void (*gamma_set)(struct drm_crtc *crtc, u16 *r, u16 *g, u16 *b, |
| 340 | uint32_t start, uint32_t size); |
| 341 | /* Object destroy routine */ |
| 342 | void (*destroy)(struct drm_crtc *crtc); |
| 343 | |
| 344 | int (*set_config)(struct drm_mode_set *set); |
| 345 | |
| 346 | /* |
| 347 | * Flip to the given framebuffer. This implements the page |
| 348 | * flip ioctl described in drm_mode.h, specifically, the |
| 349 | * implementation must return immediately and block all |
| 350 | * rendering to the current fb until the flip has completed. |
| 351 | * If userspace set the event flag in the ioctl, the event |
| 352 | * argument will point to an event to send back when the flip |
| 353 | * completes, otherwise it will be NULL. |
| 354 | */ |
| 355 | int (*page_flip)(struct drm_crtc *crtc, |
| 356 | struct drm_framebuffer *fb, |
| 357 | struct drm_pending_vblank_event *event); |
| 358 | |
| 359 | int (*set_property)(struct drm_crtc *crtc, |
| 360 | struct drm_property *property, uint64_t val); |
| 361 | }; |
| 362 | |
| 363 | /** |
| 364 | * drm_crtc - central CRTC control structure |
| 365 | * @dev: parent DRM device |
| 366 | * @head: list management |
| 367 | * @base: base KMS object for ID tracking etc. |
| 368 | * @enabled: is this CRTC enabled? |
| 369 | * @mode: current mode timings |
| 370 | * @hwmode: mode timings as programmed to hw regs |
| 371 | * @x: x position on screen |
| 372 | * @y: y position on screen |
| 373 | * @funcs: CRTC control functions |
| 374 | * @gamma_size: size of gamma ramp |
| 375 | * @gamma_store: gamma ramp values |
| 376 | * @framedur_ns: precise frame timing |
| 377 | * @framedur_ns: precise line timing |
| 378 | * @pixeldur_ns: precise pixel timing |
| 379 | * @helper_private: mid-layer private data |
| 380 | * @properties: property tracking for this CRTC |
| 381 | * |
| 382 | * Each CRTC may have one or more connectors associated with it. This structure |
| 383 | * allows the CRTC to be controlled. |
| 384 | */ |
| 385 | struct drm_crtc { |
| 386 | struct drm_device *dev; |
| 387 | struct list_head head; |
| 388 | |
| 389 | struct drm_mode_object base; |
| 390 | |
| 391 | /* framebuffer the connector is currently bound to */ |
| 392 | struct drm_framebuffer *fb; |
| 393 | |
| 394 | bool enabled; |
| 395 | |
| 396 | /* Requested mode from modesetting. */ |
| 397 | struct drm_display_mode mode; |
| 398 | |
| 399 | /* Programmed mode in hw, after adjustments for encoders, |
| 400 | * crtc, panel scaling etc. Needed for timestamping etc. |
| 401 | */ |
| 402 | struct drm_display_mode hwmode; |
| 403 | |
| 404 | int x, y; |
| 405 | const struct drm_crtc_funcs *funcs; |
| 406 | |
| 407 | /* CRTC gamma size for reporting to userspace */ |
| 408 | uint32_t gamma_size; |
| 409 | uint16_t *gamma_store; |
| 410 | |
| 411 | /* Constants needed for precise vblank and swap timestamping. */ |
| 412 | s64 framedur_ns, linedur_ns, pixeldur_ns; |
| 413 | |
| 414 | /* if you are using the helper */ |
| 415 | void *helper_private; |
| 416 | |
| 417 | struct drm_object_properties properties; |
| 418 | }; |
| 419 | |
| 420 | |
| 421 | /** |
| 422 | * drm_connector_funcs - control connectors on a given device |
| 423 | * @dpms: set power state (see drm_crtc_funcs above) |
| 424 | * @save: save connector state |
| 425 | * @restore: restore connector state |
| 426 | * @reset: reset connector after state has been invalidate (e.g. resume) |
| 427 | * @detect: is this connector active? |
| 428 | * @fill_modes: fill mode list for this connector |
| 429 | * @set_property: property for this connector may need update |
| 430 | * @destroy: make object go away |
| 431 | * @force: notify the driver the connector is forced on |
| 432 | * |
| 433 | * Each CRTC may have one or more connectors attached to it. The functions |
| 434 | * below allow the core DRM code to control connectors, enumerate available modes, |
| 435 | * etc. |
| 436 | */ |
| 437 | struct drm_connector_funcs { |
| 438 | void (*dpms)(struct drm_connector *connector, int mode); |
| 439 | void (*save)(struct drm_connector *connector); |
| 440 | void (*restore)(struct drm_connector *connector); |
| 441 | void (*reset)(struct drm_connector *connector); |
| 442 | |
| 443 | /* Check to see if anything is attached to the connector. |
| 444 | * @force is set to false whilst polling, true when checking the |
| 445 | * connector due to user request. @force can be used by the driver |
| 446 | * to avoid expensive, destructive operations during automated |
| 447 | * probing. |
| 448 | */ |
| 449 | enum drm_connector_status (*detect)(struct drm_connector *connector, |
| 450 | bool force); |
| 451 | int (*fill_modes)(struct drm_connector *connector, uint32_t max_width, uint32_t max_height); |
| 452 | int (*set_property)(struct drm_connector *connector, struct drm_property *property, |
| 453 | uint64_t val); |
| 454 | void (*destroy)(struct drm_connector *connector); |
| 455 | void (*force)(struct drm_connector *connector); |
| 456 | }; |
| 457 | |
| 458 | /** |
| 459 | * drm_encoder_funcs - encoder controls |
| 460 | * @reset: reset state (e.g. at init or resume time) |
| 461 | * @destroy: cleanup and free associated data |
| 462 | * |
| 463 | * Encoders sit between CRTCs and connectors. |
| 464 | */ |
| 465 | struct drm_encoder_funcs { |
| 466 | void (*reset)(struct drm_encoder *encoder); |
| 467 | void (*destroy)(struct drm_encoder *encoder); |
| 468 | }; |
| 469 | |
| 470 | #define DRM_CONNECTOR_MAX_UMODES 16 |
| 471 | #define DRM_CONNECTOR_LEN 32 |
| 472 | #define DRM_CONNECTOR_MAX_ENCODER 3 |
| 473 | |
| 474 | /** |
| 475 | * drm_encoder - central DRM encoder structure |
| 476 | * @dev: parent DRM device |
| 477 | * @head: list management |
| 478 | * @base: base KMS object |
| 479 | * @encoder_type: one of the %DRM_MODE_ENCODER_<foo> types in drm_mode.h |
| 480 | * @possible_crtcs: bitmask of potential CRTC bindings |
| 481 | * @possible_clones: bitmask of potential sibling encoders for cloning |
| 482 | * @crtc: currently bound CRTC |
| 483 | * @funcs: control functions |
| 484 | * @helper_private: mid-layer private data |
| 485 | * |
| 486 | * CRTCs drive pixels to encoders, which convert them into signals |
| 487 | * appropriate for a given connector or set of connectors. |
| 488 | */ |
| 489 | struct drm_encoder { |
| 490 | struct drm_device *dev; |
| 491 | struct list_head head; |
| 492 | |
| 493 | struct drm_mode_object base; |
| 494 | int encoder_type; |
| 495 | uint32_t possible_crtcs; |
| 496 | uint32_t possible_clones; |
| 497 | |
| 498 | struct drm_crtc *crtc; |
| 499 | const struct drm_encoder_funcs *funcs; |
| 500 | void *helper_private; |
| 501 | }; |
| 502 | |
| 503 | enum drm_connector_force { |
| 504 | DRM_FORCE_UNSPECIFIED, |
| 505 | DRM_FORCE_OFF, |
| 506 | DRM_FORCE_ON, /* force on analog part normally */ |
| 507 | DRM_FORCE_ON_DIGITAL, /* for DVI-I use digital connector */ |
| 508 | }; |
| 509 | |
| 510 | /* should we poll this connector for connects and disconnects */ |
| 511 | /* hot plug detectable */ |
| 512 | #define DRM_CONNECTOR_POLL_HPD (1 << 0) |
| 513 | /* poll for connections */ |
| 514 | #define DRM_CONNECTOR_POLL_CONNECT (1 << 1) |
| 515 | /* can cleanly poll for disconnections without flickering the screen */ |
| 516 | /* DACs should rarely do this without a lot of testing */ |
| 517 | #define DRM_CONNECTOR_POLL_DISCONNECT (1 << 2) |
| 518 | |
| 519 | #define MAX_ELD_BYTES 128 |
| 520 | |
| 521 | /** |
| 522 | * drm_connector - central DRM connector control structure |
| 523 | * @dev: parent DRM device |
| 524 | * @kdev: kernel device for sysfs attributes |
| 525 | * @attr: sysfs attributes |
| 526 | * @head: list management |
| 527 | * @base: base KMS object |
| 528 | * @connector_type: one of the %DRM_MODE_CONNECTOR_<foo> types from drm_mode.h |
| 529 | * @connector_type_id: index into connector type enum |
| 530 | * @interlace_allowed: can this connector handle interlaced modes? |
| 531 | * @doublescan_allowed: can this connector handle doublescan? |
| 532 | * @modes: modes available on this connector (from fill_modes() + user) |
| 533 | * @status: one of the drm_connector_status enums (connected, not, or unknown) |
| 534 | * @probed_modes: list of modes derived directly from the display |
| 535 | * @display_info: information about attached display (e.g. from EDID) |
| 536 | * @funcs: connector control functions |
| 537 | * @user_modes: user added mode list |
| 538 | * @edid_blob_ptr: DRM property containing EDID if present |
| 539 | * @properties: property tracking for this connector |
| 540 | * @polled: a %DRM_CONNECTOR_POLL_<foo> value for core driven polling |
| 541 | * @dpms: current dpms state |
| 542 | * @helper_private: mid-layer private data |
| 543 | * @force: a %DRM_FORCE_<foo> state for forced mode sets |
| 544 | * @encoder_ids: valid encoders for this connector |
| 545 | * @encoder: encoder driving this connector, if any |
| 546 | * @eld: EDID-like data, if present |
| 547 | * @dvi_dual: dual link DVI, if found |
| 548 | * @max_tmds_clock: max clock rate, if found |
| 549 | * @latency_present: AV delay info from ELD, if found |
| 550 | * @video_latency: video latency info from ELD, if found |
| 551 | * @audio_latency: audio latency info from ELD, if found |
| 552 | * @null_edid_counter: track sinks that give us all zeros for the EDID |
| 553 | * |
| 554 | * Each connector may be connected to one or more CRTCs, or may be clonable by |
| 555 | * another connector if they can share a CRTC. Each connector also has a specific |
| 556 | * position in the broader display (referred to as a 'screen' though it could |
| 557 | * span multiple monitors). |
| 558 | */ |
| 559 | struct drm_connector { |
| 560 | struct drm_device *dev; |
| 561 | struct device kdev; |
| 562 | struct device_attribute *attr; |
| 563 | struct list_head head; |
| 564 | |
| 565 | struct drm_mode_object base; |
| 566 | |
| 567 | int connector_type; |
| 568 | int connector_type_id; |
| 569 | bool interlace_allowed; |
| 570 | bool doublescan_allowed; |
| 571 | struct list_head modes; /* list of modes on this connector */ |
| 572 | |
| 573 | enum drm_connector_status status; |
| 574 | |
| 575 | /* these are modes added by probing with DDC or the BIOS */ |
| 576 | struct list_head probed_modes; |
| 577 | |
| 578 | struct drm_display_info display_info; |
| 579 | const struct drm_connector_funcs *funcs; |
| 580 | |
| 581 | struct list_head user_modes; |
| 582 | struct drm_property_blob *edid_blob_ptr; |
| 583 | struct drm_object_properties properties; |
| 584 | |
| 585 | uint8_t polled; /* DRM_CONNECTOR_POLL_* */ |
| 586 | |
| 587 | /* requested DPMS state */ |
| 588 | int dpms; |
| 589 | |
| 590 | void *helper_private; |
| 591 | |
| 592 | /* forced on connector */ |
| 593 | enum drm_connector_force force; |
| 594 | uint32_t encoder_ids[DRM_CONNECTOR_MAX_ENCODER]; |
| 595 | struct drm_encoder *encoder; /* currently active encoder */ |
| 596 | |
| 597 | /* EDID bits */ |
| 598 | uint8_t eld[MAX_ELD_BYTES]; |
| 599 | bool dvi_dual; |
| 600 | int max_tmds_clock; /* in MHz */ |
| 601 | bool latency_present[2]; |
| 602 | int video_latency[2]; /* [0]: progressive, [1]: interlaced */ |
| 603 | int audio_latency[2]; |
| 604 | int null_edid_counter; /* needed to workaround some HW bugs where we get all 0s */ |
| 605 | unsigned bad_edid_counter; |
| 606 | }; |
| 607 | |
| 608 | /** |
| 609 | * drm_plane_funcs - driver plane control functions |
| 610 | * @update_plane: update the plane configuration |
| 611 | * @disable_plane: shut down the plane |
| 612 | * @destroy: clean up plane resources |
| 613 | * @set_property: called when a property is changed |
| 614 | */ |
| 615 | struct drm_plane_funcs { |
| 616 | int (*update_plane)(struct drm_plane *plane, |
| 617 | struct drm_crtc *crtc, struct drm_framebuffer *fb, |
| 618 | int crtc_x, int crtc_y, |
| 619 | unsigned int crtc_w, unsigned int crtc_h, |
| 620 | uint32_t src_x, uint32_t src_y, |
| 621 | uint32_t src_w, uint32_t src_h); |
| 622 | int (*disable_plane)(struct drm_plane *plane); |
| 623 | void (*destroy)(struct drm_plane *plane); |
| 624 | |
| 625 | int (*set_property)(struct drm_plane *plane, |
| 626 | struct drm_property *property, uint64_t val); |
| 627 | }; |
| 628 | |
| 629 | /** |
| 630 | * drm_plane - central DRM plane control structure |
| 631 | * @dev: DRM device this plane belongs to |
| 632 | * @head: for list management |
| 633 | * @base: base mode object |
| 634 | * @possible_crtcs: pipes this plane can be bound to |
| 635 | * @format_types: array of formats supported by this plane |
| 636 | * @format_count: number of formats supported |
| 637 | * @crtc: currently bound CRTC |
| 638 | * @fb: currently bound fb |
| 639 | * @gamma_size: size of gamma table |
| 640 | * @gamma_store: gamma correction table |
| 641 | * @enabled: enabled flag |
| 642 | * @funcs: helper functions |
| 643 | * @helper_private: storage for drver layer |
| 644 | * @properties: property tracking for this plane |
| 645 | */ |
| 646 | struct drm_plane { |
| 647 | struct drm_device *dev; |
| 648 | struct list_head head; |
| 649 | |
| 650 | struct drm_mode_object base; |
| 651 | |
| 652 | uint32_t possible_crtcs; |
| 653 | uint32_t *format_types; |
| 654 | uint32_t format_count; |
| 655 | |
| 656 | struct drm_crtc *crtc; |
| 657 | struct drm_framebuffer *fb; |
| 658 | |
| 659 | /* CRTC gamma size for reporting to userspace */ |
| 660 | uint32_t gamma_size; |
| 661 | uint16_t *gamma_store; |
| 662 | |
| 663 | bool enabled; |
| 664 | |
| 665 | const struct drm_plane_funcs *funcs; |
| 666 | void *helper_private; |
| 667 | |
| 668 | struct drm_object_properties properties; |
| 669 | }; |
| 670 | |
| 671 | /** |
| 672 | * drm_mode_set - new values for a CRTC config change |
| 673 | * @head: list management |
| 674 | * @fb: framebuffer to use for new config |
| 675 | * @crtc: CRTC whose configuration we're about to change |
| 676 | * @mode: mode timings to use |
| 677 | * @x: position of this CRTC relative to @fb |
| 678 | * @y: position of this CRTC relative to @fb |
| 679 | * @connectors: array of connectors to drive with this CRTC if possible |
| 680 | * @num_connectors: size of @connectors array |
| 681 | * |
| 682 | * Represents a single crtc the connectors that it drives with what mode |
| 683 | * and from which framebuffer it scans out from. |
| 684 | * |
| 685 | * This is used to set modes. |
| 686 | */ |
| 687 | struct drm_mode_set { |
| 688 | struct drm_framebuffer *fb; |
| 689 | struct drm_crtc *crtc; |
| 690 | struct drm_display_mode *mode; |
| 691 | |
| 692 | uint32_t x; |
| 693 | uint32_t y; |
| 694 | |
| 695 | struct drm_connector **connectors; |
| 696 | size_t num_connectors; |
| 697 | }; |
| 698 | |
| 699 | /** |
| 700 | * struct drm_mode_config_funcs - basic driver provided mode setting functions |
| 701 | * @fb_create: create a new framebuffer object |
| 702 | * @output_poll_changed: function to handle output configuration changes |
| 703 | * |
| 704 | * Some global (i.e. not per-CRTC, connector, etc) mode setting functions that |
| 705 | * involve drivers. |
| 706 | */ |
| 707 | struct drm_mode_config_funcs { |
| 708 | struct drm_framebuffer *(*fb_create)(struct drm_device *dev, |
| 709 | struct drm_file *file_priv, |
| 710 | struct drm_mode_fb_cmd2 *mode_cmd); |
| 711 | void (*output_poll_changed)(struct drm_device *dev); |
| 712 | }; |
| 713 | |
| 714 | /** |
| 715 | * drm_mode_group - group of mode setting resources for potential sub-grouping |
| 716 | * @num_crtcs: CRTC count |
| 717 | * @num_encoders: encoder count |
| 718 | * @num_connectors: connector count |
| 719 | * @id_list: list of KMS object IDs in this group |
| 720 | * |
| 721 | * Currently this simply tracks the global mode setting state. But in the |
| 722 | * future it could allow groups of objects to be set aside into independent |
| 723 | * control groups for use by different user level processes (e.g. two X servers |
| 724 | * running simultaneously on different heads, each with their own mode |
| 725 | * configuration and freedom of mode setting). |
| 726 | */ |
| 727 | struct drm_mode_group { |
| 728 | uint32_t num_crtcs; |
| 729 | uint32_t num_encoders; |
| 730 | uint32_t num_connectors; |
| 731 | |
| 732 | /* list of object IDs for this group */ |
| 733 | uint32_t *id_list; |
| 734 | }; |
| 735 | |
| 736 | /** |
| 737 | * drm_mode_config - Mode configuration control structure |
| 738 | * @mutex: mutex protecting KMS related lists and structures |
| 739 | * @idr_mutex: mutex for KMS ID allocation and management |
| 740 | * @crtc_idr: main KMS ID tracking object |
| 741 | * @num_fb: number of fbs available |
| 742 | * @fb_list: list of framebuffers available |
| 743 | * @num_connector: number of connectors on this device |
| 744 | * @connector_list: list of connector objects |
| 745 | * @num_encoder: number of encoders on this device |
| 746 | * @encoder_list: list of encoder objects |
| 747 | * @num_crtc: number of CRTCs on this device |
| 748 | * @crtc_list: list of CRTC objects |
| 749 | * @min_width: minimum pixel width on this device |
| 750 | * @min_height: minimum pixel height on this device |
| 751 | * @max_width: maximum pixel width on this device |
| 752 | * @max_height: maximum pixel height on this device |
| 753 | * @funcs: core driver provided mode setting functions |
| 754 | * @fb_base: base address of the framebuffer |
| 755 | * @poll_enabled: track polling status for this device |
| 756 | * @output_poll_work: delayed work for polling in process context |
| 757 | * @*_property: core property tracking |
| 758 | * |
| 759 | * Core mode resource tracking structure. All CRTC, encoders, and connectors |
| 760 | * enumerated by the driver are added here, as are global properties. Some |
| 761 | * global restrictions are also here, e.g. dimension restrictions. |
| 762 | */ |
| 763 | struct drm_mode_config { |
| 764 | struct mutex mutex; /* protects configuration (mode lists etc.) */ |
| 765 | struct mutex idr_mutex; /* for IDR management */ |
| 766 | struct idr crtc_idr; /* use this idr for all IDs, fb, crtc, connector, modes - just makes life easier */ |
| 767 | /* this is limited to one for now */ |
| 768 | int num_fb; |
| 769 | struct list_head fb_list; |
| 770 | int num_connector; |
| 771 | struct list_head connector_list; |
| 772 | int num_encoder; |
| 773 | struct list_head encoder_list; |
| 774 | int num_plane; |
| 775 | struct list_head plane_list; |
| 776 | |
| 777 | int num_crtc; |
| 778 | struct list_head crtc_list; |
| 779 | |
| 780 | struct list_head property_list; |
| 781 | |
| 782 | int min_width, min_height; |
| 783 | int max_width, max_height; |
| 784 | const struct drm_mode_config_funcs *funcs; |
| 785 | resource_size_t fb_base; |
| 786 | |
| 787 | /* output poll support */ |
| 788 | bool poll_enabled; |
| 789 | struct delayed_work output_poll_work; |
| 790 | |
| 791 | /* pointers to standard properties */ |
| 792 | struct list_head property_blob_list; |
| 793 | struct drm_property *edid_property; |
| 794 | struct drm_property *dpms_property; |
| 795 | |
| 796 | /* DVI-I properties */ |
| 797 | struct drm_property *dvi_i_subconnector_property; |
| 798 | struct drm_property *dvi_i_select_subconnector_property; |
| 799 | |
| 800 | /* TV properties */ |
| 801 | struct drm_property *tv_subconnector_property; |
| 802 | struct drm_property *tv_select_subconnector_property; |
| 803 | struct drm_property *tv_mode_property; |
| 804 | struct drm_property *tv_left_margin_property; |
| 805 | struct drm_property *tv_right_margin_property; |
| 806 | struct drm_property *tv_top_margin_property; |
| 807 | struct drm_property *tv_bottom_margin_property; |
| 808 | struct drm_property *tv_brightness_property; |
| 809 | struct drm_property *tv_contrast_property; |
| 810 | struct drm_property *tv_flicker_reduction_property; |
| 811 | struct drm_property *tv_overscan_property; |
| 812 | struct drm_property *tv_saturation_property; |
| 813 | struct drm_property *tv_hue_property; |
| 814 | |
| 815 | /* Optional properties */ |
| 816 | struct drm_property *scaling_mode_property; |
| 817 | struct drm_property *dithering_mode_property; |
| 818 | struct drm_property *dirty_info_property; |
| 819 | |
| 820 | /* dumb ioctl parameters */ |
| 821 | uint32_t preferred_depth, prefer_shadow; |
| 822 | }; |
| 823 | |
| 824 | #define obj_to_crtc(x) container_of(x, struct drm_crtc, base) |
| 825 | #define obj_to_connector(x) container_of(x, struct drm_connector, base) |
| 826 | #define obj_to_encoder(x) container_of(x, struct drm_encoder, base) |
| 827 | #define obj_to_mode(x) container_of(x, struct drm_display_mode, base) |
| 828 | #define obj_to_fb(x) container_of(x, struct drm_framebuffer, base) |
| 829 | #define obj_to_property(x) container_of(x, struct drm_property, base) |
| 830 | #define obj_to_blob(x) container_of(x, struct drm_property_blob, base) |
| 831 | #define obj_to_plane(x) container_of(x, struct drm_plane, base) |
| 832 | |
| 833 | struct drm_prop_enum_list { |
| 834 | int type; |
| 835 | char *name; |
| 836 | }; |
| 837 | |
| 838 | extern int drm_crtc_init(struct drm_device *dev, |
| 839 | struct drm_crtc *crtc, |
| 840 | const struct drm_crtc_funcs *funcs); |
| 841 | extern void drm_crtc_cleanup(struct drm_crtc *crtc); |
| 842 | |
| 843 | extern int drm_connector_init(struct drm_device *dev, |
| 844 | struct drm_connector *connector, |
| 845 | const struct drm_connector_funcs *funcs, |
| 846 | int connector_type); |
| 847 | |
| 848 | extern void drm_connector_cleanup(struct drm_connector *connector); |
| 849 | /* helper to unplug all connectors from sysfs for device */ |
| 850 | extern void drm_connector_unplug_all(struct drm_device *dev); |
| 851 | |
| 852 | extern int drm_encoder_init(struct drm_device *dev, |
| 853 | struct drm_encoder *encoder, |
| 854 | const struct drm_encoder_funcs *funcs, |
| 855 | int encoder_type); |
| 856 | |
| 857 | extern int drm_plane_init(struct drm_device *dev, |
| 858 | struct drm_plane *plane, |
| 859 | unsigned long possible_crtcs, |
| 860 | const struct drm_plane_funcs *funcs, |
| 861 | const uint32_t *formats, uint32_t format_count, |
| 862 | bool priv); |
| 863 | extern void drm_plane_cleanup(struct drm_plane *plane); |
| 864 | |
| 865 | extern void drm_encoder_cleanup(struct drm_encoder *encoder); |
| 866 | |
| 867 | extern char *drm_get_connector_name(struct drm_connector *connector); |
| 868 | extern char *drm_get_dpms_name(int val); |
| 869 | extern char *drm_get_dvi_i_subconnector_name(int val); |
| 870 | extern char *drm_get_dvi_i_select_name(int val); |
| 871 | extern char *drm_get_tv_subconnector_name(int val); |
| 872 | extern char *drm_get_tv_select_name(int val); |
| 873 | extern void drm_fb_release(struct drm_file *file_priv); |
| 874 | extern int drm_mode_group_init_legacy_group(struct drm_device *dev, struct drm_mode_group *group); |
| 875 | extern struct edid *drm_get_edid(struct drm_connector *connector, |
| 876 | struct i2c_adapter *adapter); |
| 877 | extern int drm_add_edid_modes(struct drm_connector *connector, struct edid *edid); |
| 878 | extern void drm_mode_probed_add(struct drm_connector *connector, struct drm_display_mode *mode); |
| 879 | extern void drm_mode_remove(struct drm_connector *connector, struct drm_display_mode *mode); |
| 880 | extern void drm_mode_copy(struct drm_display_mode *dst, const struct drm_display_mode *src); |
| 881 | extern struct drm_display_mode *drm_mode_duplicate(struct drm_device *dev, |
| 882 | const struct drm_display_mode *mode); |
| 883 | extern void drm_mode_debug_printmodeline(struct drm_display_mode *mode); |
| 884 | extern void drm_mode_config_init(struct drm_device *dev); |
| 885 | extern void drm_mode_config_reset(struct drm_device *dev); |
| 886 | extern void drm_mode_config_cleanup(struct drm_device *dev); |
| 887 | extern void drm_mode_set_name(struct drm_display_mode *mode); |
| 888 | extern bool drm_mode_equal(struct drm_display_mode *mode1, struct drm_display_mode *mode2); |
| 889 | extern int drm_mode_width(struct drm_display_mode *mode); |
| 890 | extern int drm_mode_height(struct drm_display_mode *mode); |
| 891 | |
| 892 | /* for us by fb module */ |
| 893 | extern int drm_mode_attachmode_crtc(struct drm_device *dev, |
| 894 | struct drm_crtc *crtc, |
| 895 | const struct drm_display_mode *mode); |
| 896 | extern int drm_mode_detachmode_crtc(struct drm_device *dev, struct drm_display_mode *mode); |
| 897 | |
| 898 | extern struct drm_display_mode *drm_mode_create(struct drm_device *dev); |
| 899 | extern void drm_mode_destroy(struct drm_device *dev, struct drm_display_mode *mode); |
| 900 | extern void drm_mode_list_concat(struct list_head *head, |
| 901 | struct list_head *new); |
| 902 | extern void drm_mode_validate_size(struct drm_device *dev, |
| 903 | struct list_head *mode_list, |
| 904 | int maxX, int maxY, int maxPitch); |
| 905 | extern void drm_mode_prune_invalid(struct drm_device *dev, |
| 906 | struct list_head *mode_list, bool verbose); |
| 907 | extern void drm_mode_sort(struct list_head *mode_list); |
| 908 | extern int drm_mode_hsync(const struct drm_display_mode *mode); |
| 909 | extern int drm_mode_vrefresh(const struct drm_display_mode *mode); |
| 910 | extern void drm_mode_set_crtcinfo(struct drm_display_mode *p, |
| 911 | int adjust_flags); |
| 912 | extern void drm_mode_connector_list_update(struct drm_connector *connector); |
| 913 | extern int drm_mode_connector_update_edid_property(struct drm_connector *connector, |
| 914 | struct edid *edid); |
| 915 | extern int drm_connector_property_set_value(struct drm_connector *connector, |
| 916 | struct drm_property *property, |
| 917 | uint64_t value); |
| 918 | extern int drm_connector_property_get_value(struct drm_connector *connector, |
| 919 | struct drm_property *property, |
| 920 | uint64_t *value); |
| 921 | extern int drm_object_property_set_value(struct drm_mode_object *obj, |
| 922 | struct drm_property *property, |
| 923 | uint64_t val); |
| 924 | extern int drm_object_property_get_value(struct drm_mode_object *obj, |
| 925 | struct drm_property *property, |
| 926 | uint64_t *value); |
| 927 | extern struct drm_display_mode *drm_crtc_mode_create(struct drm_device *dev); |
| 928 | extern void drm_framebuffer_set_object(struct drm_device *dev, |
| 929 | unsigned long handle); |
| 930 | extern int drm_framebuffer_init(struct drm_device *dev, |
| 931 | struct drm_framebuffer *fb, |
| 932 | const struct drm_framebuffer_funcs *funcs); |
| 933 | extern void drm_framebuffer_unreference(struct drm_framebuffer *fb); |
| 934 | extern void drm_framebuffer_reference(struct drm_framebuffer *fb); |
| 935 | extern void drm_framebuffer_remove(struct drm_framebuffer *fb); |
| 936 | extern void drm_framebuffer_cleanup(struct drm_framebuffer *fb); |
| 937 | extern int drmfb_probe(struct drm_device *dev, struct drm_crtc *crtc); |
| 938 | extern int drmfb_remove(struct drm_device *dev, struct drm_framebuffer *fb); |
| 939 | extern void drm_crtc_probe_connector_modes(struct drm_device *dev, int maxX, int maxY); |
| 940 | extern bool drm_crtc_in_use(struct drm_crtc *crtc); |
| 941 | |
| 942 | extern void drm_connector_attach_property(struct drm_connector *connector, |
| 943 | struct drm_property *property, uint64_t init_val); |
| 944 | extern void drm_object_attach_property(struct drm_mode_object *obj, |
| 945 | struct drm_property *property, |
| 946 | uint64_t init_val); |
| 947 | extern struct drm_property *drm_property_create(struct drm_device *dev, int flags, |
| 948 | const char *name, int num_values); |
| 949 | extern struct drm_property *drm_property_create_enum(struct drm_device *dev, int flags, |
| 950 | const char *name, |
| 951 | const struct drm_prop_enum_list *props, |
| 952 | int num_values); |
| 953 | struct drm_property *drm_property_create_bitmask(struct drm_device *dev, |
| 954 | int flags, const char *name, |
| 955 | const struct drm_prop_enum_list *props, |
| 956 | int num_values); |
| 957 | struct drm_property *drm_property_create_range(struct drm_device *dev, int flags, |
| 958 | const char *name, |
| 959 | uint64_t min, uint64_t max); |
| 960 | extern void drm_property_destroy(struct drm_device *dev, struct drm_property *property); |
| 961 | extern int drm_property_add_enum(struct drm_property *property, int index, |
| 962 | uint64_t value, const char *name); |
| 963 | extern int drm_mode_create_dvi_i_properties(struct drm_device *dev); |
| 964 | extern int drm_mode_create_tv_properties(struct drm_device *dev, int num_formats, |
| 965 | char *formats[]); |
| 966 | extern int drm_mode_create_scaling_mode_property(struct drm_device *dev); |
| 967 | extern int drm_mode_create_dithering_property(struct drm_device *dev); |
| 968 | extern int drm_mode_create_dirty_info_property(struct drm_device *dev); |
| 969 | extern char *drm_get_encoder_name(struct drm_encoder *encoder); |
| 970 | |
| 971 | extern int drm_mode_connector_attach_encoder(struct drm_connector *connector, |
| 972 | struct drm_encoder *encoder); |
| 973 | extern void drm_mode_connector_detach_encoder(struct drm_connector *connector, |
| 974 | struct drm_encoder *encoder); |
| 975 | extern int drm_mode_crtc_set_gamma_size(struct drm_crtc *crtc, |
| 976 | int gamma_size); |
| 977 | extern struct drm_mode_object *drm_mode_object_find(struct drm_device *dev, |
| 978 | uint32_t id, uint32_t type); |
| 979 | /* IOCTLs */ |
| 980 | extern int drm_mode_getresources(struct drm_device *dev, |
| 981 | void *data, struct drm_file *file_priv); |
| 982 | extern int drm_mode_getplane_res(struct drm_device *dev, void *data, |
| 983 | struct drm_file *file_priv); |
| 984 | extern int drm_mode_getcrtc(struct drm_device *dev, |
| 985 | void *data, struct drm_file *file_priv); |
| 986 | extern int drm_mode_getconnector(struct drm_device *dev, |
| 987 | void *data, struct drm_file *file_priv); |
| 988 | extern int drm_mode_setcrtc(struct drm_device *dev, |
| 989 | void *data, struct drm_file *file_priv); |
| 990 | extern int drm_mode_getplane(struct drm_device *dev, |
| 991 | void *data, struct drm_file *file_priv); |
| 992 | extern int drm_mode_setplane(struct drm_device *dev, |
| 993 | void *data, struct drm_file *file_priv); |
| 994 | extern int drm_mode_cursor_ioctl(struct drm_device *dev, |
| 995 | void *data, struct drm_file *file_priv); |
| 996 | extern int drm_mode_addfb(struct drm_device *dev, |
| 997 | void *data, struct drm_file *file_priv); |
| 998 | extern int drm_mode_addfb2(struct drm_device *dev, |
| 999 | void *data, struct drm_file *file_priv); |
| 1000 | extern uint32_t drm_mode_legacy_fb_format(uint32_t bpp, uint32_t depth); |
| 1001 | extern int drm_mode_rmfb(struct drm_device *dev, |
| 1002 | void *data, struct drm_file *file_priv); |
| 1003 | extern int drm_mode_getfb(struct drm_device *dev, |
| 1004 | void *data, struct drm_file *file_priv); |
| 1005 | extern int drm_mode_dirtyfb_ioctl(struct drm_device *dev, |
| 1006 | void *data, struct drm_file *file_priv); |
| 1007 | extern int drm_mode_addmode_ioctl(struct drm_device *dev, |
| 1008 | void *data, struct drm_file *file_priv); |
| 1009 | extern int drm_mode_rmmode_ioctl(struct drm_device *dev, |
| 1010 | void *data, struct drm_file *file_priv); |
| 1011 | extern int drm_mode_attachmode_ioctl(struct drm_device *dev, |
| 1012 | void *data, struct drm_file *file_priv); |
| 1013 | extern int drm_mode_detachmode_ioctl(struct drm_device *dev, |
| 1014 | void *data, struct drm_file *file_priv); |
| 1015 | |
| 1016 | extern int drm_mode_getproperty_ioctl(struct drm_device *dev, |
| 1017 | void *data, struct drm_file *file_priv); |
| 1018 | extern int drm_mode_getblob_ioctl(struct drm_device *dev, |
| 1019 | void *data, struct drm_file *file_priv); |
| 1020 | extern int drm_mode_connector_property_set_ioctl(struct drm_device *dev, |
| 1021 | void *data, struct drm_file *file_priv); |
| 1022 | extern int drm_mode_hotplug_ioctl(struct drm_device *dev, |
| 1023 | void *data, struct drm_file *file_priv); |
| 1024 | extern int drm_mode_replacefb(struct drm_device *dev, |
| 1025 | void *data, struct drm_file *file_priv); |
| 1026 | extern int drm_mode_getencoder(struct drm_device *dev, |
| 1027 | void *data, struct drm_file *file_priv); |
| 1028 | extern int drm_mode_gamma_get_ioctl(struct drm_device *dev, |
| 1029 | void *data, struct drm_file *file_priv); |
| 1030 | extern int drm_mode_gamma_set_ioctl(struct drm_device *dev, |
| 1031 | void *data, struct drm_file *file_priv); |
| 1032 | extern u8 *drm_find_cea_extension(struct edid *edid); |
| 1033 | extern bool drm_detect_hdmi_monitor(struct edid *edid); |
| 1034 | extern bool drm_detect_monitor_audio(struct edid *edid); |
| 1035 | extern int drm_mode_page_flip_ioctl(struct drm_device *dev, |
| 1036 | void *data, struct drm_file *file_priv); |
| 1037 | extern struct drm_display_mode *drm_cvt_mode(struct drm_device *dev, |
| 1038 | int hdisplay, int vdisplay, int vrefresh, |
| 1039 | bool reduced, bool interlaced, bool margins); |
| 1040 | extern struct drm_display_mode *drm_gtf_mode(struct drm_device *dev, |
| 1041 | int hdisplay, int vdisplay, int vrefresh, |
| 1042 | bool interlaced, int margins); |
| 1043 | extern struct drm_display_mode *drm_gtf_mode_complex(struct drm_device *dev, |
| 1044 | int hdisplay, int vdisplay, int vrefresh, |
| 1045 | bool interlaced, int margins, int GTF_M, |
| 1046 | int GTF_2C, int GTF_K, int GTF_2J); |
| 1047 | extern int drm_add_modes_noedid(struct drm_connector *connector, |
| 1048 | int hdisplay, int vdisplay); |
| 1049 | |
| 1050 | extern int drm_edid_header_is_valid(const u8 *raw_edid); |
| 1051 | extern bool drm_edid_block_valid(u8 *raw_edid, int block, bool print_bad_edid); |
| 1052 | extern bool drm_edid_is_valid(struct edid *edid); |
| 1053 | struct drm_display_mode *drm_mode_find_dmt(struct drm_device *dev, |
| 1054 | int hsize, int vsize, int fresh, |
| 1055 | bool rb); |
| 1056 | |
| 1057 | extern int drm_mode_create_dumb_ioctl(struct drm_device *dev, |
| 1058 | void *data, struct drm_file *file_priv); |
| 1059 | extern int drm_mode_mmap_dumb_ioctl(struct drm_device *dev, |
| 1060 | void *data, struct drm_file *file_priv); |
| 1061 | extern int drm_mode_destroy_dumb_ioctl(struct drm_device *dev, |
| 1062 | void *data, struct drm_file *file_priv); |
| 1063 | extern int drm_mode_obj_get_properties_ioctl(struct drm_device *dev, void *data, |
| 1064 | struct drm_file *file_priv); |
| 1065 | extern int drm_mode_obj_set_property_ioctl(struct drm_device *dev, void *data, |
| 1066 | struct drm_file *file_priv); |
| 1067 | |
| 1068 | extern void drm_fb_get_bpp_depth(uint32_t format, unsigned int *depth, |
| 1069 | int *bpp); |
| 1070 | extern int drm_format_num_planes(uint32_t format); |
| 1071 | extern int drm_format_plane_cpp(uint32_t format, int plane); |
| 1072 | extern int drm_format_horz_chroma_subsampling(uint32_t format); |
| 1073 | extern int drm_format_vert_chroma_subsampling(uint32_t format); |
| 1074 | |
| 1075 | #endif /* __DRM_CRTC_H__ */ |