| 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 | #include <linux/hdmi.h> |
| 34 | #include <linux/media-bus-format.h> |
| 35 | #include <uapi/drm/drm_mode.h> |
| 36 | #include <uapi/drm/drm_fourcc.h> |
| 37 | #include <drm/drm_modeset_lock.h> |
| 38 | |
| 39 | struct drm_device; |
| 40 | struct drm_mode_set; |
| 41 | struct drm_framebuffer; |
| 42 | struct drm_object_properties; |
| 43 | struct drm_file; |
| 44 | struct drm_clip_rect; |
| 45 | struct device_node; |
| 46 | struct fence; |
| 47 | |
| 48 | #define DRM_MODE_OBJECT_CRTC 0xcccccccc |
| 49 | #define DRM_MODE_OBJECT_CONNECTOR 0xc0c0c0c0 |
| 50 | #define DRM_MODE_OBJECT_ENCODER 0xe0e0e0e0 |
| 51 | #define DRM_MODE_OBJECT_MODE 0xdededede |
| 52 | #define DRM_MODE_OBJECT_PROPERTY 0xb0b0b0b0 |
| 53 | #define DRM_MODE_OBJECT_FB 0xfbfbfbfb |
| 54 | #define DRM_MODE_OBJECT_BLOB 0xbbbbbbbb |
| 55 | #define DRM_MODE_OBJECT_PLANE 0xeeeeeeee |
| 56 | #define DRM_MODE_OBJECT_BRIDGE 0xbdbdbdbd |
| 57 | #define DRM_MODE_OBJECT_ANY 0 |
| 58 | |
| 59 | struct drm_mode_object { |
| 60 | uint32_t id; |
| 61 | uint32_t type; |
| 62 | struct drm_object_properties *properties; |
| 63 | }; |
| 64 | |
| 65 | #define DRM_OBJECT_MAX_PROPERTY 24 |
| 66 | struct drm_object_properties { |
| 67 | int count, atomic_count; |
| 68 | /* NOTE: if we ever start dynamically destroying properties (ie. |
| 69 | * not at drm_mode_config_cleanup() time), then we'd have to do |
| 70 | * a better job of detaching property from mode objects to avoid |
| 71 | * dangling property pointers: |
| 72 | */ |
| 73 | struct drm_property *properties[DRM_OBJECT_MAX_PROPERTY]; |
| 74 | /* do not read/write values directly, but use drm_object_property_get_value() |
| 75 | * and drm_object_property_set_value(): |
| 76 | */ |
| 77 | uint64_t values[DRM_OBJECT_MAX_PROPERTY]; |
| 78 | }; |
| 79 | |
| 80 | static inline int64_t U642I64(uint64_t val) |
| 81 | { |
| 82 | return (int64_t)*((int64_t *)&val); |
| 83 | } |
| 84 | static inline uint64_t I642U64(int64_t val) |
| 85 | { |
| 86 | return (uint64_t)*((uint64_t *)&val); |
| 87 | } |
| 88 | |
| 89 | /* rotation property bits */ |
| 90 | #define DRM_ROTATE_0 0 |
| 91 | #define DRM_ROTATE_90 1 |
| 92 | #define DRM_ROTATE_180 2 |
| 93 | #define DRM_ROTATE_270 3 |
| 94 | #define DRM_REFLECT_X 4 |
| 95 | #define DRM_REFLECT_Y 5 |
| 96 | |
| 97 | enum drm_connector_force { |
| 98 | DRM_FORCE_UNSPECIFIED, |
| 99 | DRM_FORCE_OFF, |
| 100 | DRM_FORCE_ON, /* force on analog part normally */ |
| 101 | DRM_FORCE_ON_DIGITAL, /* for DVI-I use digital connector */ |
| 102 | }; |
| 103 | |
| 104 | #include <drm/drm_modes.h> |
| 105 | |
| 106 | enum drm_connector_status { |
| 107 | connector_status_connected = 1, |
| 108 | connector_status_disconnected = 2, |
| 109 | connector_status_unknown = 3, |
| 110 | }; |
| 111 | |
| 112 | enum subpixel_order { |
| 113 | SubPixelUnknown = 0, |
| 114 | SubPixelHorizontalRGB, |
| 115 | SubPixelHorizontalBGR, |
| 116 | SubPixelVerticalRGB, |
| 117 | SubPixelVerticalBGR, |
| 118 | SubPixelNone, |
| 119 | }; |
| 120 | |
| 121 | #define DRM_COLOR_FORMAT_RGB444 (1<<0) |
| 122 | #define DRM_COLOR_FORMAT_YCRCB444 (1<<1) |
| 123 | #define DRM_COLOR_FORMAT_YCRCB422 (1<<2) |
| 124 | /* |
| 125 | * Describes a given display (e.g. CRT or flat panel) and its limitations. |
| 126 | */ |
| 127 | struct drm_display_info { |
| 128 | char name[DRM_DISPLAY_INFO_LEN]; |
| 129 | |
| 130 | /* Physical size */ |
| 131 | unsigned int width_mm; |
| 132 | unsigned int height_mm; |
| 133 | |
| 134 | /* Clock limits FIXME: storage format */ |
| 135 | unsigned int min_vfreq, max_vfreq; |
| 136 | unsigned int min_hfreq, max_hfreq; |
| 137 | unsigned int pixel_clock; |
| 138 | unsigned int bpc; |
| 139 | |
| 140 | enum subpixel_order subpixel_order; |
| 141 | u32 color_formats; |
| 142 | |
| 143 | const u32 *bus_formats; |
| 144 | unsigned int num_bus_formats; |
| 145 | |
| 146 | /* Mask of supported hdmi deep color modes */ |
| 147 | u8 edid_hdmi_dc_modes; |
| 148 | |
| 149 | u8 cea_rev; |
| 150 | }; |
| 151 | |
| 152 | /* data corresponds to displayid vend/prod/serial */ |
| 153 | struct drm_tile_group { |
| 154 | struct kref refcount; |
| 155 | struct drm_device *dev; |
| 156 | int id; |
| 157 | u8 group_data[8]; |
| 158 | }; |
| 159 | |
| 160 | struct drm_framebuffer_funcs { |
| 161 | /* note: use drm_framebuffer_remove() */ |
| 162 | void (*destroy)(struct drm_framebuffer *framebuffer); |
| 163 | int (*create_handle)(struct drm_framebuffer *fb, |
| 164 | struct drm_file *file_priv, |
| 165 | unsigned int *handle); |
| 166 | /* |
| 167 | * Optional callback for the dirty fb ioctl. |
| 168 | * |
| 169 | * Userspace can notify the driver via this callback |
| 170 | * that a area of the framebuffer has changed and should |
| 171 | * be flushed to the display hardware. |
| 172 | * |
| 173 | * See documentation in drm_mode.h for the struct |
| 174 | * drm_mode_fb_dirty_cmd for more information as all |
| 175 | * the semantics and arguments have a one to one mapping |
| 176 | * on this function. |
| 177 | */ |
| 178 | int (*dirty)(struct drm_framebuffer *framebuffer, |
| 179 | struct drm_file *file_priv, unsigned flags, |
| 180 | unsigned color, struct drm_clip_rect *clips, |
| 181 | unsigned num_clips); |
| 182 | }; |
| 183 | |
| 184 | struct drm_framebuffer { |
| 185 | struct drm_device *dev; |
| 186 | /* |
| 187 | * Note that the fb is refcounted for the benefit of driver internals, |
| 188 | * for example some hw, disabling a CRTC/plane is asynchronous, and |
| 189 | * scanout does not actually complete until the next vblank. So some |
| 190 | * cleanup (like releasing the reference(s) on the backing GEM bo(s)) |
| 191 | * should be deferred. In cases like this, the driver would like to |
| 192 | * hold a ref to the fb even though it has already been removed from |
| 193 | * userspace perspective. |
| 194 | */ |
| 195 | struct kref refcount; |
| 196 | /* |
| 197 | * Place on the dev->mode_config.fb_list, access protected by |
| 198 | * dev->mode_config.fb_lock. |
| 199 | */ |
| 200 | struct list_head head; |
| 201 | struct drm_mode_object base; |
| 202 | const struct drm_framebuffer_funcs *funcs; |
| 203 | unsigned int pitches[4]; |
| 204 | unsigned int offsets[4]; |
| 205 | unsigned int width; |
| 206 | unsigned int height; |
| 207 | /* depth can be 15 or 16 */ |
| 208 | unsigned int depth; |
| 209 | int bits_per_pixel; |
| 210 | int flags; |
| 211 | uint32_t pixel_format; /* fourcc format */ |
| 212 | struct list_head filp_head; |
| 213 | /* if you are using the helper */ |
| 214 | void *helper_private; |
| 215 | }; |
| 216 | |
| 217 | struct drm_property_blob { |
| 218 | struct drm_mode_object base; |
| 219 | struct list_head head; |
| 220 | size_t length; |
| 221 | unsigned char data[]; |
| 222 | }; |
| 223 | |
| 224 | struct drm_property_enum { |
| 225 | uint64_t value; |
| 226 | struct list_head head; |
| 227 | char name[DRM_PROP_NAME_LEN]; |
| 228 | }; |
| 229 | |
| 230 | struct drm_property { |
| 231 | struct list_head head; |
| 232 | struct drm_mode_object base; |
| 233 | uint32_t flags; |
| 234 | char name[DRM_PROP_NAME_LEN]; |
| 235 | uint32_t num_values; |
| 236 | uint64_t *values; |
| 237 | struct drm_device *dev; |
| 238 | |
| 239 | struct list_head enum_list; |
| 240 | }; |
| 241 | |
| 242 | struct drm_crtc; |
| 243 | struct drm_connector; |
| 244 | struct drm_encoder; |
| 245 | struct drm_pending_vblank_event; |
| 246 | struct drm_plane; |
| 247 | struct drm_bridge; |
| 248 | struct drm_atomic_state; |
| 249 | |
| 250 | /** |
| 251 | * struct drm_crtc_state - mutable CRTC state |
| 252 | * @crtc: backpointer to the CRTC |
| 253 | * @enable: whether the CRTC should be enabled, gates all other state |
| 254 | * @active: whether the CRTC is actively displaying (used for DPMS) |
| 255 | * @mode_changed: for use by helpers and drivers when computing state updates |
| 256 | * @active_changed: for use by helpers and drivers when computing state updates |
| 257 | * @plane_mask: bitmask of (1 << drm_plane_index(plane)) of attached planes |
| 258 | * @last_vblank_count: for helpers and drivers to capture the vblank of the |
| 259 | * update to ensure framebuffer cleanup isn't done too early |
| 260 | * @planes_changed: for use by helpers and drivers when computing state updates |
| 261 | * @adjusted_mode: for use by helpers and drivers to compute adjusted mode timings |
| 262 | * @mode: current mode timings |
| 263 | * @event: optional pointer to a DRM event to signal upon completion of the |
| 264 | * state update |
| 265 | * @state: backpointer to global drm_atomic_state |
| 266 | * |
| 267 | * Note that the distinction between @enable and @active is rather subtile: |
| 268 | * Flipping @active while @enable is set without changing anything else may |
| 269 | * never return in a failure from the ->atomic_check callback. Userspace assumes |
| 270 | * that a DPMS On will always succeed. In other words: @enable controls resource |
| 271 | * assignment, @active controls the actual hardware state. |
| 272 | */ |
| 273 | struct drm_crtc_state { |
| 274 | struct drm_crtc *crtc; |
| 275 | |
| 276 | bool enable; |
| 277 | bool active; |
| 278 | |
| 279 | /* computed state bits used by helpers and drivers */ |
| 280 | bool planes_changed : 1; |
| 281 | bool mode_changed : 1; |
| 282 | bool active_changed : 1; |
| 283 | |
| 284 | /* attached planes bitmask: |
| 285 | * WARNING: transitional helpers do not maintain plane_mask so |
| 286 | * drivers not converted over to atomic helpers should not rely |
| 287 | * on plane_mask being accurate! |
| 288 | */ |
| 289 | u32 plane_mask; |
| 290 | |
| 291 | /* last_vblank_count: for vblank waits before cleanup */ |
| 292 | u32 last_vblank_count; |
| 293 | |
| 294 | /* adjusted_mode: for use by helpers and drivers */ |
| 295 | struct drm_display_mode adjusted_mode; |
| 296 | |
| 297 | struct drm_display_mode mode; |
| 298 | |
| 299 | struct drm_pending_vblank_event *event; |
| 300 | |
| 301 | struct drm_atomic_state *state; |
| 302 | }; |
| 303 | |
| 304 | /** |
| 305 | * struct drm_crtc_funcs - control CRTCs for a given device |
| 306 | * @save: save CRTC state |
| 307 | * @restore: restore CRTC state |
| 308 | * @reset: reset CRTC after state has been invalidated (e.g. resume) |
| 309 | * @cursor_set: setup the cursor |
| 310 | * @cursor_set2: setup the cursor with hotspot, superseeds @cursor_set if set |
| 311 | * @cursor_move: move the cursor |
| 312 | * @gamma_set: specify color ramp for CRTC |
| 313 | * @destroy: deinit and free object |
| 314 | * @set_property: called when a property is changed |
| 315 | * @set_config: apply a new CRTC configuration |
| 316 | * @page_flip: initiate a page flip |
| 317 | * @atomic_duplicate_state: duplicate the atomic state for this CRTC |
| 318 | * @atomic_destroy_state: destroy an atomic state for this CRTC |
| 319 | * @atomic_set_property: set a property on an atomic state for this CRTC |
| 320 | * (do not call directly, use drm_atomic_crtc_set_property()) |
| 321 | * @atomic_get_property: get a property on an atomic state for this CRTC |
| 322 | * (do not call directly, use drm_atomic_crtc_get_property()) |
| 323 | * |
| 324 | * The drm_crtc_funcs structure is the central CRTC management structure |
| 325 | * in the DRM. Each CRTC controls one or more connectors (note that the name |
| 326 | * CRTC is simply historical, a CRTC may control LVDS, VGA, DVI, TV out, etc. |
| 327 | * connectors, not just CRTs). |
| 328 | * |
| 329 | * Each driver is responsible for filling out this structure at startup time, |
| 330 | * in addition to providing other modesetting features, like i2c and DDC |
| 331 | * bus accessors. |
| 332 | */ |
| 333 | struct drm_crtc_funcs { |
| 334 | /* Save CRTC state */ |
| 335 | void (*save)(struct drm_crtc *crtc); /* suspend? */ |
| 336 | /* Restore CRTC state */ |
| 337 | void (*restore)(struct drm_crtc *crtc); /* resume? */ |
| 338 | /* Reset CRTC state */ |
| 339 | void (*reset)(struct drm_crtc *crtc); |
| 340 | |
| 341 | /* cursor controls */ |
| 342 | int (*cursor_set)(struct drm_crtc *crtc, struct drm_file *file_priv, |
| 343 | uint32_t handle, uint32_t width, uint32_t height); |
| 344 | int (*cursor_set2)(struct drm_crtc *crtc, struct drm_file *file_priv, |
| 345 | uint32_t handle, uint32_t width, uint32_t height, |
| 346 | int32_t hot_x, int32_t hot_y); |
| 347 | int (*cursor_move)(struct drm_crtc *crtc, int x, int y); |
| 348 | |
| 349 | /* Set gamma on the CRTC */ |
| 350 | void (*gamma_set)(struct drm_crtc *crtc, u16 *r, u16 *g, u16 *b, |
| 351 | uint32_t start, uint32_t size); |
| 352 | /* Object destroy routine */ |
| 353 | void (*destroy)(struct drm_crtc *crtc); |
| 354 | |
| 355 | int (*set_config)(struct drm_mode_set *set); |
| 356 | |
| 357 | /* |
| 358 | * Flip to the given framebuffer. This implements the page |
| 359 | * flip ioctl described in drm_mode.h, specifically, the |
| 360 | * implementation must return immediately and block all |
| 361 | * rendering to the current fb until the flip has completed. |
| 362 | * If userspace set the event flag in the ioctl, the event |
| 363 | * argument will point to an event to send back when the flip |
| 364 | * completes, otherwise it will be NULL. |
| 365 | */ |
| 366 | int (*page_flip)(struct drm_crtc *crtc, |
| 367 | struct drm_framebuffer *fb, |
| 368 | struct drm_pending_vblank_event *event, |
| 369 | uint32_t flags); |
| 370 | |
| 371 | int (*set_property)(struct drm_crtc *crtc, |
| 372 | struct drm_property *property, uint64_t val); |
| 373 | |
| 374 | /* atomic update handling */ |
| 375 | struct drm_crtc_state *(*atomic_duplicate_state)(struct drm_crtc *crtc); |
| 376 | void (*atomic_destroy_state)(struct drm_crtc *crtc, |
| 377 | struct drm_crtc_state *state); |
| 378 | int (*atomic_set_property)(struct drm_crtc *crtc, |
| 379 | struct drm_crtc_state *state, |
| 380 | struct drm_property *property, |
| 381 | uint64_t val); |
| 382 | int (*atomic_get_property)(struct drm_crtc *crtc, |
| 383 | const struct drm_crtc_state *state, |
| 384 | struct drm_property *property, |
| 385 | uint64_t *val); |
| 386 | }; |
| 387 | |
| 388 | /** |
| 389 | * struct drm_crtc - central CRTC control structure |
| 390 | * @dev: parent DRM device |
| 391 | * @port: OF node used by drm_of_find_possible_crtcs() |
| 392 | * @head: list management |
| 393 | * @mutex: per-CRTC locking |
| 394 | * @base: base KMS object for ID tracking etc. |
| 395 | * @primary: primary plane for this CRTC |
| 396 | * @cursor: cursor plane for this CRTC |
| 397 | * @cursor_x: current x position of the cursor, used for universal cursor planes |
| 398 | * @cursor_y: current y position of the cursor, used for universal cursor planes |
| 399 | * @enabled: is this CRTC enabled? |
| 400 | * @mode: current mode timings |
| 401 | * @hwmode: mode timings as programmed to hw regs |
| 402 | * @invert_dimensions: for purposes of error checking crtc vs fb sizes, |
| 403 | * invert the width/height of the crtc. This is used if the driver |
| 404 | * is performing 90 or 270 degree rotated scanout |
| 405 | * @x: x position on screen |
| 406 | * @y: y position on screen |
| 407 | * @funcs: CRTC control functions |
| 408 | * @gamma_size: size of gamma ramp |
| 409 | * @gamma_store: gamma ramp values |
| 410 | * @framedur_ns: precise frame timing |
| 411 | * @linedur_ns: precise line timing |
| 412 | * @pixeldur_ns: precise pixel timing |
| 413 | * @helper_private: mid-layer private data |
| 414 | * @properties: property tracking for this CRTC |
| 415 | * @state: current atomic state for this CRTC |
| 416 | * @acquire_ctx: per-CRTC implicit acquire context used by atomic drivers for |
| 417 | * legacy ioctls |
| 418 | * |
| 419 | * Each CRTC may have one or more connectors associated with it. This structure |
| 420 | * allows the CRTC to be controlled. |
| 421 | */ |
| 422 | struct drm_crtc { |
| 423 | struct drm_device *dev; |
| 424 | struct device_node *port; |
| 425 | struct list_head head; |
| 426 | |
| 427 | /* |
| 428 | * crtc mutex |
| 429 | * |
| 430 | * This provides a read lock for the overall crtc state (mode, dpms |
| 431 | * state, ...) and a write lock for everything which can be update |
| 432 | * without a full modeset (fb, cursor data, ...) |
| 433 | */ |
| 434 | struct drm_modeset_lock mutex; |
| 435 | |
| 436 | struct drm_mode_object base; |
| 437 | |
| 438 | /* primary and cursor planes for CRTC */ |
| 439 | struct drm_plane *primary; |
| 440 | struct drm_plane *cursor; |
| 441 | |
| 442 | /* position of cursor plane on crtc */ |
| 443 | int cursor_x; |
| 444 | int cursor_y; |
| 445 | |
| 446 | bool enabled; |
| 447 | |
| 448 | /* Requested mode from modesetting. */ |
| 449 | struct drm_display_mode mode; |
| 450 | |
| 451 | /* Programmed mode in hw, after adjustments for encoders, |
| 452 | * crtc, panel scaling etc. Needed for timestamping etc. |
| 453 | */ |
| 454 | struct drm_display_mode hwmode; |
| 455 | |
| 456 | bool invert_dimensions; |
| 457 | |
| 458 | int x, y; |
| 459 | const struct drm_crtc_funcs *funcs; |
| 460 | |
| 461 | /* CRTC gamma size for reporting to userspace */ |
| 462 | uint32_t gamma_size; |
| 463 | uint16_t *gamma_store; |
| 464 | |
| 465 | /* Constants needed for precise vblank and swap timestamping. */ |
| 466 | int framedur_ns, linedur_ns, pixeldur_ns; |
| 467 | |
| 468 | /* if you are using the helper */ |
| 469 | void *helper_private; |
| 470 | |
| 471 | struct drm_object_properties properties; |
| 472 | |
| 473 | struct drm_crtc_state *state; |
| 474 | |
| 475 | /* |
| 476 | * For legacy crtc ioctls so that atomic drivers can get at the locking |
| 477 | * acquire context. |
| 478 | */ |
| 479 | struct drm_modeset_acquire_ctx *acquire_ctx; |
| 480 | }; |
| 481 | |
| 482 | /** |
| 483 | * struct drm_connector_state - mutable connector state |
| 484 | * @connector: backpointer to the connector |
| 485 | * @crtc: CRTC to connect connector to, NULL if disabled |
| 486 | * @best_encoder: can be used by helpers and drivers to select the encoder |
| 487 | * @state: backpointer to global drm_atomic_state |
| 488 | */ |
| 489 | struct drm_connector_state { |
| 490 | struct drm_connector *connector; |
| 491 | |
| 492 | struct drm_crtc *crtc; /* do not write directly, use drm_atomic_set_crtc_for_connector() */ |
| 493 | |
| 494 | struct drm_encoder *best_encoder; |
| 495 | |
| 496 | struct drm_atomic_state *state; |
| 497 | }; |
| 498 | |
| 499 | /** |
| 500 | * struct drm_connector_funcs - control connectors on a given device |
| 501 | * @dpms: set power state |
| 502 | * @save: save connector state |
| 503 | * @restore: restore connector state |
| 504 | * @reset: reset connector after state has been invalidated (e.g. resume) |
| 505 | * @detect: is this connector active? |
| 506 | * @fill_modes: fill mode list for this connector |
| 507 | * @set_property: property for this connector may need an update |
| 508 | * @destroy: make object go away |
| 509 | * @force: notify the driver that the connector is forced on |
| 510 | * @atomic_duplicate_state: duplicate the atomic state for this connector |
| 511 | * @atomic_destroy_state: destroy an atomic state for this connector |
| 512 | * @atomic_set_property: set a property on an atomic state for this connector |
| 513 | * (do not call directly, use drm_atomic_connector_set_property()) |
| 514 | * @atomic_get_property: get a property on an atomic state for this connector |
| 515 | * (do not call directly, use drm_atomic_connector_get_property()) |
| 516 | * |
| 517 | * Each CRTC may have one or more connectors attached to it. The functions |
| 518 | * below allow the core DRM code to control connectors, enumerate available modes, |
| 519 | * etc. |
| 520 | */ |
| 521 | struct drm_connector_funcs { |
| 522 | void (*dpms)(struct drm_connector *connector, int mode); |
| 523 | void (*save)(struct drm_connector *connector); |
| 524 | void (*restore)(struct drm_connector *connector); |
| 525 | void (*reset)(struct drm_connector *connector); |
| 526 | |
| 527 | /* Check to see if anything is attached to the connector. |
| 528 | * @force is set to false whilst polling, true when checking the |
| 529 | * connector due to user request. @force can be used by the driver |
| 530 | * to avoid expensive, destructive operations during automated |
| 531 | * probing. |
| 532 | */ |
| 533 | enum drm_connector_status (*detect)(struct drm_connector *connector, |
| 534 | bool force); |
| 535 | int (*fill_modes)(struct drm_connector *connector, uint32_t max_width, uint32_t max_height); |
| 536 | int (*set_property)(struct drm_connector *connector, struct drm_property *property, |
| 537 | uint64_t val); |
| 538 | void (*destroy)(struct drm_connector *connector); |
| 539 | void (*force)(struct drm_connector *connector); |
| 540 | |
| 541 | /* atomic update handling */ |
| 542 | struct drm_connector_state *(*atomic_duplicate_state)(struct drm_connector *connector); |
| 543 | void (*atomic_destroy_state)(struct drm_connector *connector, |
| 544 | struct drm_connector_state *state); |
| 545 | int (*atomic_set_property)(struct drm_connector *connector, |
| 546 | struct drm_connector_state *state, |
| 547 | struct drm_property *property, |
| 548 | uint64_t val); |
| 549 | int (*atomic_get_property)(struct drm_connector *connector, |
| 550 | const struct drm_connector_state *state, |
| 551 | struct drm_property *property, |
| 552 | uint64_t *val); |
| 553 | }; |
| 554 | |
| 555 | /** |
| 556 | * struct drm_encoder_funcs - encoder controls |
| 557 | * @reset: reset state (e.g. at init or resume time) |
| 558 | * @destroy: cleanup and free associated data |
| 559 | * |
| 560 | * Encoders sit between CRTCs and connectors. |
| 561 | */ |
| 562 | struct drm_encoder_funcs { |
| 563 | void (*reset)(struct drm_encoder *encoder); |
| 564 | void (*destroy)(struct drm_encoder *encoder); |
| 565 | }; |
| 566 | |
| 567 | #define DRM_CONNECTOR_MAX_ENCODER 3 |
| 568 | |
| 569 | /** |
| 570 | * struct drm_encoder - central DRM encoder structure |
| 571 | * @dev: parent DRM device |
| 572 | * @head: list management |
| 573 | * @base: base KMS object |
| 574 | * @name: encoder name |
| 575 | * @encoder_type: one of the %DRM_MODE_ENCODER_<foo> types in drm_mode.h |
| 576 | * @possible_crtcs: bitmask of potential CRTC bindings |
| 577 | * @possible_clones: bitmask of potential sibling encoders for cloning |
| 578 | * @crtc: currently bound CRTC |
| 579 | * @bridge: bridge associated to the encoder |
| 580 | * @funcs: control functions |
| 581 | * @helper_private: mid-layer private data |
| 582 | * |
| 583 | * CRTCs drive pixels to encoders, which convert them into signals |
| 584 | * appropriate for a given connector or set of connectors. |
| 585 | */ |
| 586 | struct drm_encoder { |
| 587 | struct drm_device *dev; |
| 588 | struct list_head head; |
| 589 | |
| 590 | struct drm_mode_object base; |
| 591 | char *name; |
| 592 | int encoder_type; |
| 593 | uint32_t possible_crtcs; |
| 594 | uint32_t possible_clones; |
| 595 | |
| 596 | struct drm_crtc *crtc; |
| 597 | struct drm_bridge *bridge; |
| 598 | const struct drm_encoder_funcs *funcs; |
| 599 | void *helper_private; |
| 600 | }; |
| 601 | |
| 602 | /* should we poll this connector for connects and disconnects */ |
| 603 | /* hot plug detectable */ |
| 604 | #define DRM_CONNECTOR_POLL_HPD (1 << 0) |
| 605 | /* poll for connections */ |
| 606 | #define DRM_CONNECTOR_POLL_CONNECT (1 << 1) |
| 607 | /* can cleanly poll for disconnections without flickering the screen */ |
| 608 | /* DACs should rarely do this without a lot of testing */ |
| 609 | #define DRM_CONNECTOR_POLL_DISCONNECT (1 << 2) |
| 610 | |
| 611 | #define MAX_ELD_BYTES 128 |
| 612 | |
| 613 | /** |
| 614 | * struct drm_connector - central DRM connector control structure |
| 615 | * @dev: parent DRM device |
| 616 | * @kdev: kernel device for sysfs attributes |
| 617 | * @attr: sysfs attributes |
| 618 | * @head: list management |
| 619 | * @base: base KMS object |
| 620 | * @name: connector name |
| 621 | * @connector_type: one of the %DRM_MODE_CONNECTOR_<foo> types from drm_mode.h |
| 622 | * @connector_type_id: index into connector type enum |
| 623 | * @interlace_allowed: can this connector handle interlaced modes? |
| 624 | * @doublescan_allowed: can this connector handle doublescan? |
| 625 | * @stereo_allowed: can this connector handle stereo modes? |
| 626 | * @modes: modes available on this connector (from fill_modes() + user) |
| 627 | * @status: one of the drm_connector_status enums (connected, not, or unknown) |
| 628 | * @probed_modes: list of modes derived directly from the display |
| 629 | * @display_info: information about attached display (e.g. from EDID) |
| 630 | * @funcs: connector control functions |
| 631 | * @edid_blob_ptr: DRM property containing EDID if present |
| 632 | * @properties: property tracking for this connector |
| 633 | * @path_blob_ptr: DRM blob property data for the DP MST path property |
| 634 | * @polled: a %DRM_CONNECTOR_POLL_<foo> value for core driven polling |
| 635 | * @dpms: current dpms state |
| 636 | * @helper_private: mid-layer private data |
| 637 | * @cmdline_mode: mode line parsed from the kernel cmdline for this connector |
| 638 | * @force: a %DRM_FORCE_<foo> state for forced mode sets |
| 639 | * @override_edid: has the EDID been overwritten through debugfs for testing? |
| 640 | * @encoder_ids: valid encoders for this connector |
| 641 | * @encoder: encoder driving this connector, if any |
| 642 | * @eld: EDID-like data, if present |
| 643 | * @dvi_dual: dual link DVI, if found |
| 644 | * @max_tmds_clock: max clock rate, if found |
| 645 | * @latency_present: AV delay info from ELD, if found |
| 646 | * @video_latency: video latency info from ELD, if found |
| 647 | * @audio_latency: audio latency info from ELD, if found |
| 648 | * @null_edid_counter: track sinks that give us all zeros for the EDID |
| 649 | * @bad_edid_counter: track sinks that give us an EDID with invalid checksum |
| 650 | * @debugfs_entry: debugfs directory for this connector |
| 651 | * @state: current atomic state for this connector |
| 652 | * @has_tile: is this connector connected to a tiled monitor |
| 653 | * @tile_group: tile group for the connected monitor |
| 654 | * @tile_is_single_monitor: whether the tile is one monitor housing |
| 655 | * @num_h_tile: number of horizontal tiles in the tile group |
| 656 | * @num_v_tile: number of vertical tiles in the tile group |
| 657 | * @tile_h_loc: horizontal location of this tile |
| 658 | * @tile_v_loc: vertical location of this tile |
| 659 | * @tile_h_size: horizontal size of this tile. |
| 660 | * @tile_v_size: vertical size of this tile. |
| 661 | * |
| 662 | * Each connector may be connected to one or more CRTCs, or may be clonable by |
| 663 | * another connector if they can share a CRTC. Each connector also has a specific |
| 664 | * position in the broader display (referred to as a 'screen' though it could |
| 665 | * span multiple monitors). |
| 666 | */ |
| 667 | struct drm_connector { |
| 668 | struct drm_device *dev; |
| 669 | struct device *kdev; |
| 670 | struct device_attribute *attr; |
| 671 | struct list_head head; |
| 672 | |
| 673 | struct drm_mode_object base; |
| 674 | |
| 675 | char *name; |
| 676 | int connector_type; |
| 677 | int connector_type_id; |
| 678 | bool interlace_allowed; |
| 679 | bool doublescan_allowed; |
| 680 | bool stereo_allowed; |
| 681 | struct list_head modes; /* list of modes on this connector */ |
| 682 | |
| 683 | enum drm_connector_status status; |
| 684 | |
| 685 | /* these are modes added by probing with DDC or the BIOS */ |
| 686 | struct list_head probed_modes; |
| 687 | |
| 688 | struct drm_display_info display_info; |
| 689 | const struct drm_connector_funcs *funcs; |
| 690 | |
| 691 | struct drm_property_blob *edid_blob_ptr; |
| 692 | struct drm_object_properties properties; |
| 693 | |
| 694 | struct drm_property_blob *path_blob_ptr; |
| 695 | |
| 696 | struct drm_property_blob *tile_blob_ptr; |
| 697 | |
| 698 | uint8_t polled; /* DRM_CONNECTOR_POLL_* */ |
| 699 | |
| 700 | /* requested DPMS state */ |
| 701 | int dpms; |
| 702 | |
| 703 | void *helper_private; |
| 704 | |
| 705 | /* forced on connector */ |
| 706 | struct drm_cmdline_mode cmdline_mode; |
| 707 | enum drm_connector_force force; |
| 708 | bool override_edid; |
| 709 | uint32_t encoder_ids[DRM_CONNECTOR_MAX_ENCODER]; |
| 710 | struct drm_encoder *encoder; /* currently active encoder */ |
| 711 | |
| 712 | /* EDID bits */ |
| 713 | uint8_t eld[MAX_ELD_BYTES]; |
| 714 | bool dvi_dual; |
| 715 | int max_tmds_clock; /* in MHz */ |
| 716 | bool latency_present[2]; |
| 717 | int video_latency[2]; /* [0]: progressive, [1]: interlaced */ |
| 718 | int audio_latency[2]; |
| 719 | int null_edid_counter; /* needed to workaround some HW bugs where we get all 0s */ |
| 720 | unsigned bad_edid_counter; |
| 721 | |
| 722 | struct dentry *debugfs_entry; |
| 723 | |
| 724 | struct drm_connector_state *state; |
| 725 | |
| 726 | /* DisplayID bits */ |
| 727 | bool has_tile; |
| 728 | struct drm_tile_group *tile_group; |
| 729 | bool tile_is_single_monitor; |
| 730 | |
| 731 | uint8_t num_h_tile, num_v_tile; |
| 732 | uint8_t tile_h_loc, tile_v_loc; |
| 733 | uint16_t tile_h_size, tile_v_size; |
| 734 | }; |
| 735 | |
| 736 | /** |
| 737 | * struct drm_plane_state - mutable plane state |
| 738 | * @plane: backpointer to the plane |
| 739 | * @crtc: currently bound CRTC, NULL if disabled |
| 740 | * @fb: currently bound framebuffer |
| 741 | * @fence: optional fence to wait for before scanning out @fb |
| 742 | * @crtc_x: left position of visible portion of plane on crtc |
| 743 | * @crtc_y: upper position of visible portion of plane on crtc |
| 744 | * @crtc_w: width of visible portion of plane on crtc |
| 745 | * @crtc_h: height of visible portion of plane on crtc |
| 746 | * @src_x: left position of visible portion of plane within |
| 747 | * plane (in 16.16) |
| 748 | * @src_y: upper position of visible portion of plane within |
| 749 | * plane (in 16.16) |
| 750 | * @src_w: width of visible portion of plane (in 16.16) |
| 751 | * @src_h: height of visible portion of plane (in 16.16) |
| 752 | * @state: backpointer to global drm_atomic_state |
| 753 | */ |
| 754 | struct drm_plane_state { |
| 755 | struct drm_plane *plane; |
| 756 | |
| 757 | struct drm_crtc *crtc; /* do not write directly, use drm_atomic_set_crtc_for_plane() */ |
| 758 | struct drm_framebuffer *fb; /* do not write directly, use drm_atomic_set_fb_for_plane() */ |
| 759 | struct fence *fence; |
| 760 | |
| 761 | /* Signed dest location allows it to be partially off screen */ |
| 762 | int32_t crtc_x, crtc_y; |
| 763 | uint32_t crtc_w, crtc_h; |
| 764 | |
| 765 | /* Source values are 16.16 fixed point */ |
| 766 | uint32_t src_x, src_y; |
| 767 | uint32_t src_h, src_w; |
| 768 | |
| 769 | /* Plane rotation */ |
| 770 | unsigned int rotation; |
| 771 | |
| 772 | struct drm_atomic_state *state; |
| 773 | }; |
| 774 | |
| 775 | |
| 776 | /** |
| 777 | * struct drm_plane_funcs - driver plane control functions |
| 778 | * @update_plane: update the plane configuration |
| 779 | * @disable_plane: shut down the plane |
| 780 | * @destroy: clean up plane resources |
| 781 | * @reset: reset plane after state has been invalidated (e.g. resume) |
| 782 | * @set_property: called when a property is changed |
| 783 | * @atomic_duplicate_state: duplicate the atomic state for this plane |
| 784 | * @atomic_destroy_state: destroy an atomic state for this plane |
| 785 | * @atomic_set_property: set a property on an atomic state for this plane |
| 786 | * (do not call directly, use drm_atomic_plane_set_property()) |
| 787 | * @atomic_get_property: get a property on an atomic state for this plane |
| 788 | * (do not call directly, use drm_atomic_plane_get_property()) |
| 789 | */ |
| 790 | struct drm_plane_funcs { |
| 791 | int (*update_plane)(struct drm_plane *plane, |
| 792 | struct drm_crtc *crtc, struct drm_framebuffer *fb, |
| 793 | int crtc_x, int crtc_y, |
| 794 | unsigned int crtc_w, unsigned int crtc_h, |
| 795 | uint32_t src_x, uint32_t src_y, |
| 796 | uint32_t src_w, uint32_t src_h); |
| 797 | int (*disable_plane)(struct drm_plane *plane); |
| 798 | void (*destroy)(struct drm_plane *plane); |
| 799 | void (*reset)(struct drm_plane *plane); |
| 800 | |
| 801 | int (*set_property)(struct drm_plane *plane, |
| 802 | struct drm_property *property, uint64_t val); |
| 803 | |
| 804 | /* atomic update handling */ |
| 805 | struct drm_plane_state *(*atomic_duplicate_state)(struct drm_plane *plane); |
| 806 | void (*atomic_destroy_state)(struct drm_plane *plane, |
| 807 | struct drm_plane_state *state); |
| 808 | int (*atomic_set_property)(struct drm_plane *plane, |
| 809 | struct drm_plane_state *state, |
| 810 | struct drm_property *property, |
| 811 | uint64_t val); |
| 812 | int (*atomic_get_property)(struct drm_plane *plane, |
| 813 | const struct drm_plane_state *state, |
| 814 | struct drm_property *property, |
| 815 | uint64_t *val); |
| 816 | }; |
| 817 | |
| 818 | enum drm_plane_type { |
| 819 | DRM_PLANE_TYPE_OVERLAY, |
| 820 | DRM_PLANE_TYPE_PRIMARY, |
| 821 | DRM_PLANE_TYPE_CURSOR, |
| 822 | }; |
| 823 | |
| 824 | /** |
| 825 | * struct drm_plane - central DRM plane control structure |
| 826 | * @dev: DRM device this plane belongs to |
| 827 | * @head: for list management |
| 828 | * @base: base mode object |
| 829 | * @possible_crtcs: pipes this plane can be bound to |
| 830 | * @format_types: array of formats supported by this plane |
| 831 | * @format_count: number of formats supported |
| 832 | * @crtc: currently bound CRTC |
| 833 | * @fb: currently bound fb |
| 834 | * @old_fb: Temporary tracking of the old fb while a modeset is ongoing. Used by |
| 835 | * drm_mode_set_config_internal() to implement correct refcounting. |
| 836 | * @funcs: helper functions |
| 837 | * @properties: property tracking for this plane |
| 838 | * @type: type of plane (overlay, primary, cursor) |
| 839 | * @state: current atomic state for this plane |
| 840 | */ |
| 841 | struct drm_plane { |
| 842 | struct drm_device *dev; |
| 843 | struct list_head head; |
| 844 | |
| 845 | struct drm_modeset_lock mutex; |
| 846 | |
| 847 | struct drm_mode_object base; |
| 848 | |
| 849 | uint32_t possible_crtcs; |
| 850 | uint32_t *format_types; |
| 851 | uint32_t format_count; |
| 852 | |
| 853 | struct drm_crtc *crtc; |
| 854 | struct drm_framebuffer *fb; |
| 855 | |
| 856 | struct drm_framebuffer *old_fb; |
| 857 | |
| 858 | const struct drm_plane_funcs *funcs; |
| 859 | |
| 860 | struct drm_object_properties properties; |
| 861 | |
| 862 | enum drm_plane_type type; |
| 863 | |
| 864 | void *helper_private; |
| 865 | |
| 866 | struct drm_plane_state *state; |
| 867 | }; |
| 868 | |
| 869 | /** |
| 870 | * struct drm_bridge_funcs - drm_bridge control functions |
| 871 | * @attach: Called during drm_bridge_attach |
| 872 | * @mode_fixup: Try to fixup (or reject entirely) proposed mode for this bridge |
| 873 | * @disable: Called right before encoder prepare, disables the bridge |
| 874 | * @post_disable: Called right after encoder prepare, for lockstepped disable |
| 875 | * @mode_set: Set this mode to the bridge |
| 876 | * @pre_enable: Called right before encoder commit, for lockstepped commit |
| 877 | * @enable: Called right after encoder commit, enables the bridge |
| 878 | */ |
| 879 | struct drm_bridge_funcs { |
| 880 | int (*attach)(struct drm_bridge *bridge); |
| 881 | bool (*mode_fixup)(struct drm_bridge *bridge, |
| 882 | const struct drm_display_mode *mode, |
| 883 | struct drm_display_mode *adjusted_mode); |
| 884 | void (*disable)(struct drm_bridge *bridge); |
| 885 | void (*post_disable)(struct drm_bridge *bridge); |
| 886 | void (*mode_set)(struct drm_bridge *bridge, |
| 887 | struct drm_display_mode *mode, |
| 888 | struct drm_display_mode *adjusted_mode); |
| 889 | void (*pre_enable)(struct drm_bridge *bridge); |
| 890 | void (*enable)(struct drm_bridge *bridge); |
| 891 | }; |
| 892 | |
| 893 | /** |
| 894 | * struct drm_bridge - central DRM bridge control structure |
| 895 | * @dev: DRM device this bridge belongs to |
| 896 | * @of_node: device node pointer to the bridge |
| 897 | * @list: to keep track of all added bridges |
| 898 | * @base: base mode object |
| 899 | * @funcs: control functions |
| 900 | * @driver_private: pointer to the bridge driver's internal context |
| 901 | */ |
| 902 | struct drm_bridge { |
| 903 | struct drm_device *dev; |
| 904 | struct drm_encoder *encoder; |
| 905 | #ifdef CONFIG_OF |
| 906 | struct device_node *of_node; |
| 907 | #endif |
| 908 | struct list_head list; |
| 909 | |
| 910 | const struct drm_bridge_funcs *funcs; |
| 911 | void *driver_private; |
| 912 | }; |
| 913 | |
| 914 | /** |
| 915 | * struct struct drm_atomic_state - the global state object for atomic updates |
| 916 | * @dev: parent DRM device |
| 917 | * @allow_modeset: allow full modeset |
| 918 | * @legacy_cursor_update: hint to enforce legacy cursor ioctl semantics |
| 919 | * @planes: pointer to array of plane pointers |
| 920 | * @plane_states: pointer to array of plane states pointers |
| 921 | * @crtcs: pointer to array of CRTC pointers |
| 922 | * @crtc_states: pointer to array of CRTC states pointers |
| 923 | * @num_connector: size of the @connectors and @connector_states arrays |
| 924 | * @connectors: pointer to array of connector pointers |
| 925 | * @connector_states: pointer to array of connector states pointers |
| 926 | * @acquire_ctx: acquire context for this atomic modeset state update |
| 927 | */ |
| 928 | struct drm_atomic_state { |
| 929 | struct drm_device *dev; |
| 930 | bool allow_modeset : 1; |
| 931 | bool legacy_cursor_update : 1; |
| 932 | struct drm_plane **planes; |
| 933 | struct drm_plane_state **plane_states; |
| 934 | struct drm_crtc **crtcs; |
| 935 | struct drm_crtc_state **crtc_states; |
| 936 | int num_connector; |
| 937 | struct drm_connector **connectors; |
| 938 | struct drm_connector_state **connector_states; |
| 939 | |
| 940 | struct drm_modeset_acquire_ctx *acquire_ctx; |
| 941 | }; |
| 942 | |
| 943 | |
| 944 | /** |
| 945 | * struct drm_mode_set - new values for a CRTC config change |
| 946 | * @fb: framebuffer to use for new config |
| 947 | * @crtc: CRTC whose configuration we're about to change |
| 948 | * @mode: mode timings to use |
| 949 | * @x: position of this CRTC relative to @fb |
| 950 | * @y: position of this CRTC relative to @fb |
| 951 | * @connectors: array of connectors to drive with this CRTC if possible |
| 952 | * @num_connectors: size of @connectors array |
| 953 | * |
| 954 | * Represents a single crtc the connectors that it drives with what mode |
| 955 | * and from which framebuffer it scans out from. |
| 956 | * |
| 957 | * This is used to set modes. |
| 958 | */ |
| 959 | struct drm_mode_set { |
| 960 | struct drm_framebuffer *fb; |
| 961 | struct drm_crtc *crtc; |
| 962 | struct drm_display_mode *mode; |
| 963 | |
| 964 | uint32_t x; |
| 965 | uint32_t y; |
| 966 | |
| 967 | struct drm_connector **connectors; |
| 968 | size_t num_connectors; |
| 969 | }; |
| 970 | |
| 971 | /** |
| 972 | * struct drm_mode_config_funcs - basic driver provided mode setting functions |
| 973 | * @fb_create: create a new framebuffer object |
| 974 | * @output_poll_changed: function to handle output configuration changes |
| 975 | * @atomic_check: check whether a give atomic state update is possible |
| 976 | * @atomic_commit: commit an atomic state update previously verified with |
| 977 | * atomic_check() |
| 978 | * |
| 979 | * Some global (i.e. not per-CRTC, connector, etc) mode setting functions that |
| 980 | * involve drivers. |
| 981 | */ |
| 982 | struct drm_mode_config_funcs { |
| 983 | struct drm_framebuffer *(*fb_create)(struct drm_device *dev, |
| 984 | struct drm_file *file_priv, |
| 985 | struct drm_mode_fb_cmd2 *mode_cmd); |
| 986 | void (*output_poll_changed)(struct drm_device *dev); |
| 987 | |
| 988 | int (*atomic_check)(struct drm_device *dev, |
| 989 | struct drm_atomic_state *a); |
| 990 | int (*atomic_commit)(struct drm_device *dev, |
| 991 | struct drm_atomic_state *a, |
| 992 | bool async); |
| 993 | }; |
| 994 | |
| 995 | /** |
| 996 | * struct drm_mode_group - group of mode setting resources for potential sub-grouping |
| 997 | * @num_crtcs: CRTC count |
| 998 | * @num_encoders: encoder count |
| 999 | * @num_connectors: connector count |
| 1000 | * @num_bridges: bridge count |
| 1001 | * @id_list: list of KMS object IDs in this group |
| 1002 | * |
| 1003 | * Currently this simply tracks the global mode setting state. But in the |
| 1004 | * future it could allow groups of objects to be set aside into independent |
| 1005 | * control groups for use by different user level processes (e.g. two X servers |
| 1006 | * running simultaneously on different heads, each with their own mode |
| 1007 | * configuration and freedom of mode setting). |
| 1008 | */ |
| 1009 | struct drm_mode_group { |
| 1010 | uint32_t num_crtcs; |
| 1011 | uint32_t num_encoders; |
| 1012 | uint32_t num_connectors; |
| 1013 | |
| 1014 | /* list of object IDs for this group */ |
| 1015 | uint32_t *id_list; |
| 1016 | }; |
| 1017 | |
| 1018 | /** |
| 1019 | * struct drm_mode_config - Mode configuration control structure |
| 1020 | * @mutex: mutex protecting KMS related lists and structures |
| 1021 | * @connection_mutex: ww mutex protecting connector state and routing |
| 1022 | * @acquire_ctx: global implicit acquire context used by atomic drivers for |
| 1023 | * legacy ioctls |
| 1024 | * @idr_mutex: mutex for KMS ID allocation and management |
| 1025 | * @crtc_idr: main KMS ID tracking object |
| 1026 | * @fb_lock: mutex to protect fb state and lists |
| 1027 | * @num_fb: number of fbs available |
| 1028 | * @fb_list: list of framebuffers available |
| 1029 | * @num_connector: number of connectors on this device |
| 1030 | * @connector_list: list of connector objects |
| 1031 | * @num_encoder: number of encoders on this device |
| 1032 | * @encoder_list: list of encoder objects |
| 1033 | * @num_overlay_plane: number of overlay planes on this device |
| 1034 | * @num_total_plane: number of universal (i.e. with primary/curso) planes on this device |
| 1035 | * @plane_list: list of plane objects |
| 1036 | * @num_crtc: number of CRTCs on this device |
| 1037 | * @crtc_list: list of CRTC objects |
| 1038 | * @property_list: list of property objects |
| 1039 | * @min_width: minimum pixel width on this device |
| 1040 | * @min_height: minimum pixel height on this device |
| 1041 | * @max_width: maximum pixel width on this device |
| 1042 | * @max_height: maximum pixel height on this device |
| 1043 | * @funcs: core driver provided mode setting functions |
| 1044 | * @fb_base: base address of the framebuffer |
| 1045 | * @poll_enabled: track polling support for this device |
| 1046 | * @poll_running: track polling status for this device |
| 1047 | * @output_poll_work: delayed work for polling in process context |
| 1048 | * @property_blob_list: list of all the blob property objects |
| 1049 | * @*_property: core property tracking |
| 1050 | * @preferred_depth: preferred RBG pixel depth, used by fb helpers |
| 1051 | * @prefer_shadow: hint to userspace to prefer shadow-fb rendering |
| 1052 | * @async_page_flip: does this device support async flips on the primary plane? |
| 1053 | * @cursor_width: hint to userspace for max cursor width |
| 1054 | * @cursor_height: hint to userspace for max cursor height |
| 1055 | * |
| 1056 | * Core mode resource tracking structure. All CRTC, encoders, and connectors |
| 1057 | * enumerated by the driver are added here, as are global properties. Some |
| 1058 | * global restrictions are also here, e.g. dimension restrictions. |
| 1059 | */ |
| 1060 | struct drm_mode_config { |
| 1061 | struct mutex mutex; /* protects configuration (mode lists etc.) */ |
| 1062 | struct drm_modeset_lock connection_mutex; /* protects connector->encoder and encoder->crtc links */ |
| 1063 | struct drm_modeset_acquire_ctx *acquire_ctx; /* for legacy _lock_all() / _unlock_all() */ |
| 1064 | struct mutex idr_mutex; /* for IDR management */ |
| 1065 | struct idr crtc_idr; /* use this idr for all IDs, fb, crtc, connector, modes - just makes life easier */ |
| 1066 | struct idr tile_idr; /* use this idr for all IDs, fb, crtc, connector, modes - just makes life easier */ |
| 1067 | /* this is limited to one for now */ |
| 1068 | |
| 1069 | struct mutex fb_lock; /* proctects global and per-file fb lists */ |
| 1070 | int num_fb; |
| 1071 | struct list_head fb_list; |
| 1072 | |
| 1073 | int num_connector; |
| 1074 | struct list_head connector_list; |
| 1075 | int num_encoder; |
| 1076 | struct list_head encoder_list; |
| 1077 | |
| 1078 | /* |
| 1079 | * Track # of overlay planes separately from # of total planes. By |
| 1080 | * default we only advertise overlay planes to userspace; if userspace |
| 1081 | * sets the "universal plane" capability bit, we'll go ahead and |
| 1082 | * expose all planes. |
| 1083 | */ |
| 1084 | int num_overlay_plane; |
| 1085 | int num_total_plane; |
| 1086 | struct list_head plane_list; |
| 1087 | |
| 1088 | int num_crtc; |
| 1089 | struct list_head crtc_list; |
| 1090 | |
| 1091 | struct list_head property_list; |
| 1092 | |
| 1093 | int min_width, min_height; |
| 1094 | int max_width, max_height; |
| 1095 | const struct drm_mode_config_funcs *funcs; |
| 1096 | resource_size_t fb_base; |
| 1097 | |
| 1098 | /* output poll support */ |
| 1099 | bool poll_enabled; |
| 1100 | bool poll_running; |
| 1101 | bool delayed_event; |
| 1102 | struct delayed_work output_poll_work; |
| 1103 | |
| 1104 | /* pointers to standard properties */ |
| 1105 | struct list_head property_blob_list; |
| 1106 | struct drm_property *edid_property; |
| 1107 | struct drm_property *dpms_property; |
| 1108 | struct drm_property *path_property; |
| 1109 | struct drm_property *tile_property; |
| 1110 | struct drm_property *plane_type_property; |
| 1111 | struct drm_property *rotation_property; |
| 1112 | struct drm_property *prop_src_x; |
| 1113 | struct drm_property *prop_src_y; |
| 1114 | struct drm_property *prop_src_w; |
| 1115 | struct drm_property *prop_src_h; |
| 1116 | struct drm_property *prop_crtc_x; |
| 1117 | struct drm_property *prop_crtc_y; |
| 1118 | struct drm_property *prop_crtc_w; |
| 1119 | struct drm_property *prop_crtc_h; |
| 1120 | struct drm_property *prop_fb_id; |
| 1121 | struct drm_property *prop_crtc_id; |
| 1122 | struct drm_property *prop_active; |
| 1123 | |
| 1124 | /* DVI-I properties */ |
| 1125 | struct drm_property *dvi_i_subconnector_property; |
| 1126 | struct drm_property *dvi_i_select_subconnector_property; |
| 1127 | |
| 1128 | /* TV properties */ |
| 1129 | struct drm_property *tv_subconnector_property; |
| 1130 | struct drm_property *tv_select_subconnector_property; |
| 1131 | struct drm_property *tv_mode_property; |
| 1132 | struct drm_property *tv_left_margin_property; |
| 1133 | struct drm_property *tv_right_margin_property; |
| 1134 | struct drm_property *tv_top_margin_property; |
| 1135 | struct drm_property *tv_bottom_margin_property; |
| 1136 | struct drm_property *tv_brightness_property; |
| 1137 | struct drm_property *tv_contrast_property; |
| 1138 | struct drm_property *tv_flicker_reduction_property; |
| 1139 | struct drm_property *tv_overscan_property; |
| 1140 | struct drm_property *tv_saturation_property; |
| 1141 | struct drm_property *tv_hue_property; |
| 1142 | |
| 1143 | /* Optional properties */ |
| 1144 | struct drm_property *scaling_mode_property; |
| 1145 | struct drm_property *aspect_ratio_property; |
| 1146 | struct drm_property *dirty_info_property; |
| 1147 | |
| 1148 | /* properties for virtual machine layout */ |
| 1149 | struct drm_property *suggested_x_property; |
| 1150 | struct drm_property *suggested_y_property; |
| 1151 | |
| 1152 | /* dumb ioctl parameters */ |
| 1153 | uint32_t preferred_depth, prefer_shadow; |
| 1154 | |
| 1155 | /* whether async page flip is supported or not */ |
| 1156 | bool async_page_flip; |
| 1157 | |
| 1158 | /* cursor size */ |
| 1159 | uint32_t cursor_width, cursor_height; |
| 1160 | }; |
| 1161 | |
| 1162 | /** |
| 1163 | * drm_for_each_plane_mask - iterate over planes specified by bitmask |
| 1164 | * @plane: the loop cursor |
| 1165 | * @dev: the DRM device |
| 1166 | * @plane_mask: bitmask of plane indices |
| 1167 | * |
| 1168 | * Iterate over all planes specified by bitmask. |
| 1169 | */ |
| 1170 | #define drm_for_each_plane_mask(plane, dev, plane_mask) \ |
| 1171 | list_for_each_entry((plane), &(dev)->mode_config.plane_list, head) \ |
| 1172 | if ((plane_mask) & (1 << drm_plane_index(plane))) |
| 1173 | |
| 1174 | |
| 1175 | #define obj_to_crtc(x) container_of(x, struct drm_crtc, base) |
| 1176 | #define obj_to_connector(x) container_of(x, struct drm_connector, base) |
| 1177 | #define obj_to_encoder(x) container_of(x, struct drm_encoder, base) |
| 1178 | #define obj_to_mode(x) container_of(x, struct drm_display_mode, base) |
| 1179 | #define obj_to_fb(x) container_of(x, struct drm_framebuffer, base) |
| 1180 | #define obj_to_property(x) container_of(x, struct drm_property, base) |
| 1181 | #define obj_to_blob(x) container_of(x, struct drm_property_blob, base) |
| 1182 | #define obj_to_plane(x) container_of(x, struct drm_plane, base) |
| 1183 | |
| 1184 | struct drm_prop_enum_list { |
| 1185 | int type; |
| 1186 | char *name; |
| 1187 | }; |
| 1188 | |
| 1189 | extern int drm_crtc_init_with_planes(struct drm_device *dev, |
| 1190 | struct drm_crtc *crtc, |
| 1191 | struct drm_plane *primary, |
| 1192 | struct drm_plane *cursor, |
| 1193 | const struct drm_crtc_funcs *funcs); |
| 1194 | extern void drm_crtc_cleanup(struct drm_crtc *crtc); |
| 1195 | extern unsigned int drm_crtc_index(struct drm_crtc *crtc); |
| 1196 | |
| 1197 | /** |
| 1198 | * drm_crtc_mask - find the mask of a registered CRTC |
| 1199 | * @crtc: CRTC to find mask for |
| 1200 | * |
| 1201 | * Given a registered CRTC, return the mask bit of that CRTC for an |
| 1202 | * encoder's possible_crtcs field. |
| 1203 | */ |
| 1204 | static inline uint32_t drm_crtc_mask(struct drm_crtc *crtc) |
| 1205 | { |
| 1206 | return 1 << drm_crtc_index(crtc); |
| 1207 | } |
| 1208 | |
| 1209 | extern void drm_connector_ida_init(void); |
| 1210 | extern void drm_connector_ida_destroy(void); |
| 1211 | extern int drm_connector_init(struct drm_device *dev, |
| 1212 | struct drm_connector *connector, |
| 1213 | const struct drm_connector_funcs *funcs, |
| 1214 | int connector_type); |
| 1215 | int drm_connector_register(struct drm_connector *connector); |
| 1216 | void drm_connector_unregister(struct drm_connector *connector); |
| 1217 | |
| 1218 | extern void drm_connector_cleanup(struct drm_connector *connector); |
| 1219 | extern unsigned int drm_connector_index(struct drm_connector *connector); |
| 1220 | /* helper to unplug all connectors from sysfs for device */ |
| 1221 | extern void drm_connector_unplug_all(struct drm_device *dev); |
| 1222 | |
| 1223 | extern int drm_bridge_add(struct drm_bridge *bridge); |
| 1224 | extern void drm_bridge_remove(struct drm_bridge *bridge); |
| 1225 | extern struct drm_bridge *of_drm_find_bridge(struct device_node *np); |
| 1226 | extern int drm_bridge_attach(struct drm_device *dev, struct drm_bridge *bridge); |
| 1227 | |
| 1228 | extern int drm_encoder_init(struct drm_device *dev, |
| 1229 | struct drm_encoder *encoder, |
| 1230 | const struct drm_encoder_funcs *funcs, |
| 1231 | int encoder_type); |
| 1232 | |
| 1233 | /** |
| 1234 | * drm_encoder_crtc_ok - can a given crtc drive a given encoder? |
| 1235 | * @encoder: encoder to test |
| 1236 | * @crtc: crtc to test |
| 1237 | * |
| 1238 | * Return false if @encoder can't be driven by @crtc, true otherwise. |
| 1239 | */ |
| 1240 | static inline bool drm_encoder_crtc_ok(struct drm_encoder *encoder, |
| 1241 | struct drm_crtc *crtc) |
| 1242 | { |
| 1243 | return !!(encoder->possible_crtcs & drm_crtc_mask(crtc)); |
| 1244 | } |
| 1245 | |
| 1246 | extern int drm_universal_plane_init(struct drm_device *dev, |
| 1247 | struct drm_plane *plane, |
| 1248 | unsigned long possible_crtcs, |
| 1249 | const struct drm_plane_funcs *funcs, |
| 1250 | const uint32_t *formats, |
| 1251 | uint32_t format_count, |
| 1252 | enum drm_plane_type type); |
| 1253 | extern int drm_plane_init(struct drm_device *dev, |
| 1254 | struct drm_plane *plane, |
| 1255 | unsigned long possible_crtcs, |
| 1256 | const struct drm_plane_funcs *funcs, |
| 1257 | const uint32_t *formats, uint32_t format_count, |
| 1258 | bool is_primary); |
| 1259 | extern void drm_plane_cleanup(struct drm_plane *plane); |
| 1260 | extern unsigned int drm_plane_index(struct drm_plane *plane); |
| 1261 | extern void drm_plane_force_disable(struct drm_plane *plane); |
| 1262 | extern void drm_crtc_get_hv_timing(const struct drm_display_mode *mode, |
| 1263 | int *hdisplay, int *vdisplay); |
| 1264 | extern int drm_crtc_check_viewport(const struct drm_crtc *crtc, |
| 1265 | int x, int y, |
| 1266 | const struct drm_display_mode *mode, |
| 1267 | const struct drm_framebuffer *fb); |
| 1268 | |
| 1269 | extern void drm_encoder_cleanup(struct drm_encoder *encoder); |
| 1270 | |
| 1271 | extern const char *drm_get_connector_status_name(enum drm_connector_status status); |
| 1272 | extern const char *drm_get_subpixel_order_name(enum subpixel_order order); |
| 1273 | extern const char *drm_get_dpms_name(int val); |
| 1274 | extern const char *drm_get_dvi_i_subconnector_name(int val); |
| 1275 | extern const char *drm_get_dvi_i_select_name(int val); |
| 1276 | extern const char *drm_get_tv_subconnector_name(int val); |
| 1277 | extern const char *drm_get_tv_select_name(int val); |
| 1278 | extern void drm_fb_release(struct drm_file *file_priv); |
| 1279 | extern int drm_mode_group_init_legacy_group(struct drm_device *dev, struct drm_mode_group *group); |
| 1280 | extern void drm_mode_group_destroy(struct drm_mode_group *group); |
| 1281 | extern void drm_reinit_primary_mode_group(struct drm_device *dev); |
| 1282 | extern bool drm_probe_ddc(struct i2c_adapter *adapter); |
| 1283 | extern struct edid *drm_get_edid(struct drm_connector *connector, |
| 1284 | struct i2c_adapter *adapter); |
| 1285 | extern struct edid *drm_edid_duplicate(const struct edid *edid); |
| 1286 | extern int drm_add_edid_modes(struct drm_connector *connector, struct edid *edid); |
| 1287 | extern void drm_mode_config_init(struct drm_device *dev); |
| 1288 | extern void drm_mode_config_reset(struct drm_device *dev); |
| 1289 | extern void drm_mode_config_cleanup(struct drm_device *dev); |
| 1290 | |
| 1291 | extern int drm_mode_connector_set_path_property(struct drm_connector *connector, |
| 1292 | const char *path); |
| 1293 | int drm_mode_connector_set_tile_property(struct drm_connector *connector); |
| 1294 | extern int drm_mode_connector_update_edid_property(struct drm_connector *connector, |
| 1295 | const struct edid *edid); |
| 1296 | |
| 1297 | extern int drm_display_info_set_bus_formats(struct drm_display_info *info, |
| 1298 | const u32 *formats, |
| 1299 | unsigned int num_formats); |
| 1300 | |
| 1301 | static inline bool drm_property_type_is(struct drm_property *property, |
| 1302 | uint32_t type) |
| 1303 | { |
| 1304 | /* instanceof for props.. handles extended type vs original types: */ |
| 1305 | if (property->flags & DRM_MODE_PROP_EXTENDED_TYPE) |
| 1306 | return (property->flags & DRM_MODE_PROP_EXTENDED_TYPE) == type; |
| 1307 | return property->flags & type; |
| 1308 | } |
| 1309 | |
| 1310 | static inline bool drm_property_type_valid(struct drm_property *property) |
| 1311 | { |
| 1312 | if (property->flags & DRM_MODE_PROP_EXTENDED_TYPE) |
| 1313 | return !(property->flags & DRM_MODE_PROP_LEGACY_TYPE); |
| 1314 | return !!(property->flags & DRM_MODE_PROP_LEGACY_TYPE); |
| 1315 | } |
| 1316 | |
| 1317 | extern int drm_object_property_set_value(struct drm_mode_object *obj, |
| 1318 | struct drm_property *property, |
| 1319 | uint64_t val); |
| 1320 | extern int drm_object_property_get_value(struct drm_mode_object *obj, |
| 1321 | struct drm_property *property, |
| 1322 | uint64_t *value); |
| 1323 | extern int drm_framebuffer_init(struct drm_device *dev, |
| 1324 | struct drm_framebuffer *fb, |
| 1325 | const struct drm_framebuffer_funcs *funcs); |
| 1326 | extern struct drm_framebuffer *drm_framebuffer_lookup(struct drm_device *dev, |
| 1327 | uint32_t id); |
| 1328 | extern void drm_framebuffer_unreference(struct drm_framebuffer *fb); |
| 1329 | extern void drm_framebuffer_reference(struct drm_framebuffer *fb); |
| 1330 | extern void drm_framebuffer_remove(struct drm_framebuffer *fb); |
| 1331 | extern void drm_framebuffer_cleanup(struct drm_framebuffer *fb); |
| 1332 | extern void drm_framebuffer_unregister_private(struct drm_framebuffer *fb); |
| 1333 | |
| 1334 | extern void drm_object_attach_property(struct drm_mode_object *obj, |
| 1335 | struct drm_property *property, |
| 1336 | uint64_t init_val); |
| 1337 | extern struct drm_property *drm_property_create(struct drm_device *dev, int flags, |
| 1338 | const char *name, int num_values); |
| 1339 | extern struct drm_property *drm_property_create_enum(struct drm_device *dev, int flags, |
| 1340 | const char *name, |
| 1341 | const struct drm_prop_enum_list *props, |
| 1342 | int num_values); |
| 1343 | struct drm_property *drm_property_create_bitmask(struct drm_device *dev, |
| 1344 | int flags, const char *name, |
| 1345 | const struct drm_prop_enum_list *props, |
| 1346 | int num_props, |
| 1347 | uint64_t supported_bits); |
| 1348 | struct drm_property *drm_property_create_range(struct drm_device *dev, int flags, |
| 1349 | const char *name, |
| 1350 | uint64_t min, uint64_t max); |
| 1351 | struct drm_property *drm_property_create_signed_range(struct drm_device *dev, |
| 1352 | int flags, const char *name, |
| 1353 | int64_t min, int64_t max); |
| 1354 | struct drm_property *drm_property_create_object(struct drm_device *dev, |
| 1355 | int flags, const char *name, uint32_t type); |
| 1356 | struct drm_property *drm_property_create_bool(struct drm_device *dev, int flags, |
| 1357 | const char *name); |
| 1358 | extern void drm_property_destroy(struct drm_device *dev, struct drm_property *property); |
| 1359 | extern int drm_property_add_enum(struct drm_property *property, int index, |
| 1360 | uint64_t value, const char *name); |
| 1361 | extern int drm_mode_create_dvi_i_properties(struct drm_device *dev); |
| 1362 | extern int drm_mode_create_tv_properties(struct drm_device *dev, |
| 1363 | unsigned int num_modes, |
| 1364 | char *modes[]); |
| 1365 | extern int drm_mode_create_scaling_mode_property(struct drm_device *dev); |
| 1366 | extern int drm_mode_create_aspect_ratio_property(struct drm_device *dev); |
| 1367 | extern int drm_mode_create_dirty_info_property(struct drm_device *dev); |
| 1368 | extern int drm_mode_create_suggested_offset_properties(struct drm_device *dev); |
| 1369 | extern bool drm_property_change_valid_get(struct drm_property *property, |
| 1370 | uint64_t value, struct drm_mode_object **ref); |
| 1371 | extern void drm_property_change_valid_put(struct drm_property *property, |
| 1372 | struct drm_mode_object *ref); |
| 1373 | |
| 1374 | extern int drm_mode_connector_attach_encoder(struct drm_connector *connector, |
| 1375 | struct drm_encoder *encoder); |
| 1376 | extern int drm_mode_crtc_set_gamma_size(struct drm_crtc *crtc, |
| 1377 | int gamma_size); |
| 1378 | extern struct drm_mode_object *drm_mode_object_find(struct drm_device *dev, |
| 1379 | uint32_t id, uint32_t type); |
| 1380 | |
| 1381 | /* IOCTLs */ |
| 1382 | extern int drm_mode_getresources(struct drm_device *dev, |
| 1383 | void *data, struct drm_file *file_priv); |
| 1384 | extern int drm_mode_getplane_res(struct drm_device *dev, void *data, |
| 1385 | struct drm_file *file_priv); |
| 1386 | extern int drm_mode_getcrtc(struct drm_device *dev, |
| 1387 | void *data, struct drm_file *file_priv); |
| 1388 | extern int drm_mode_getconnector(struct drm_device *dev, |
| 1389 | void *data, struct drm_file *file_priv); |
| 1390 | extern int drm_mode_set_config_internal(struct drm_mode_set *set); |
| 1391 | extern int drm_mode_setcrtc(struct drm_device *dev, |
| 1392 | void *data, struct drm_file *file_priv); |
| 1393 | extern int drm_mode_getplane(struct drm_device *dev, |
| 1394 | void *data, struct drm_file *file_priv); |
| 1395 | extern int drm_mode_setplane(struct drm_device *dev, |
| 1396 | void *data, struct drm_file *file_priv); |
| 1397 | extern int drm_mode_cursor_ioctl(struct drm_device *dev, |
| 1398 | void *data, struct drm_file *file_priv); |
| 1399 | extern int drm_mode_cursor2_ioctl(struct drm_device *dev, |
| 1400 | void *data, struct drm_file *file_priv); |
| 1401 | extern int drm_mode_addfb(struct drm_device *dev, |
| 1402 | void *data, struct drm_file *file_priv); |
| 1403 | extern int drm_mode_addfb2(struct drm_device *dev, |
| 1404 | void *data, struct drm_file *file_priv); |
| 1405 | extern uint32_t drm_mode_legacy_fb_format(uint32_t bpp, uint32_t depth); |
| 1406 | extern int drm_mode_rmfb(struct drm_device *dev, |
| 1407 | void *data, struct drm_file *file_priv); |
| 1408 | extern int drm_mode_getfb(struct drm_device *dev, |
| 1409 | void *data, struct drm_file *file_priv); |
| 1410 | extern int drm_mode_dirtyfb_ioctl(struct drm_device *dev, |
| 1411 | void *data, struct drm_file *file_priv); |
| 1412 | |
| 1413 | extern int drm_mode_getproperty_ioctl(struct drm_device *dev, |
| 1414 | void *data, struct drm_file *file_priv); |
| 1415 | extern int drm_mode_getblob_ioctl(struct drm_device *dev, |
| 1416 | void *data, struct drm_file *file_priv); |
| 1417 | extern int drm_mode_connector_property_set_ioctl(struct drm_device *dev, |
| 1418 | void *data, struct drm_file *file_priv); |
| 1419 | extern int drm_mode_getencoder(struct drm_device *dev, |
| 1420 | void *data, struct drm_file *file_priv); |
| 1421 | extern int drm_mode_gamma_get_ioctl(struct drm_device *dev, |
| 1422 | void *data, struct drm_file *file_priv); |
| 1423 | extern int drm_mode_gamma_set_ioctl(struct drm_device *dev, |
| 1424 | void *data, struct drm_file *file_priv); |
| 1425 | extern u8 drm_match_cea_mode(const struct drm_display_mode *to_match); |
| 1426 | extern enum hdmi_picture_aspect drm_get_cea_aspect_ratio(const u8 video_code); |
| 1427 | extern bool drm_detect_hdmi_monitor(struct edid *edid); |
| 1428 | extern bool drm_detect_monitor_audio(struct edid *edid); |
| 1429 | extern bool drm_rgb_quant_range_selectable(struct edid *edid); |
| 1430 | extern int drm_mode_page_flip_ioctl(struct drm_device *dev, |
| 1431 | void *data, struct drm_file *file_priv); |
| 1432 | extern int drm_add_modes_noedid(struct drm_connector *connector, |
| 1433 | int hdisplay, int vdisplay); |
| 1434 | extern void drm_set_preferred_mode(struct drm_connector *connector, |
| 1435 | int hpref, int vpref); |
| 1436 | |
| 1437 | extern int drm_edid_header_is_valid(const u8 *raw_edid); |
| 1438 | extern bool drm_edid_block_valid(u8 *raw_edid, int block, bool print_bad_edid); |
| 1439 | extern bool drm_edid_is_valid(struct edid *edid); |
| 1440 | |
| 1441 | extern struct drm_tile_group *drm_mode_create_tile_group(struct drm_device *dev, |
| 1442 | char topology[8]); |
| 1443 | extern struct drm_tile_group *drm_mode_get_tile_group(struct drm_device *dev, |
| 1444 | char topology[8]); |
| 1445 | extern void drm_mode_put_tile_group(struct drm_device *dev, |
| 1446 | struct drm_tile_group *tg); |
| 1447 | struct drm_display_mode *drm_mode_find_dmt(struct drm_device *dev, |
| 1448 | int hsize, int vsize, int fresh, |
| 1449 | bool rb); |
| 1450 | |
| 1451 | extern int drm_mode_create_dumb_ioctl(struct drm_device *dev, |
| 1452 | void *data, struct drm_file *file_priv); |
| 1453 | extern int drm_mode_mmap_dumb_ioctl(struct drm_device *dev, |
| 1454 | void *data, struct drm_file *file_priv); |
| 1455 | extern int drm_mode_destroy_dumb_ioctl(struct drm_device *dev, |
| 1456 | void *data, struct drm_file *file_priv); |
| 1457 | extern int drm_mode_obj_get_properties_ioctl(struct drm_device *dev, void *data, |
| 1458 | struct drm_file *file_priv); |
| 1459 | extern int drm_mode_obj_set_property_ioctl(struct drm_device *dev, void *data, |
| 1460 | struct drm_file *file_priv); |
| 1461 | extern int drm_mode_plane_set_obj_prop(struct drm_plane *plane, |
| 1462 | struct drm_property *property, |
| 1463 | uint64_t value); |
| 1464 | extern int drm_mode_atomic_ioctl(struct drm_device *dev, |
| 1465 | void *data, struct drm_file *file_priv); |
| 1466 | |
| 1467 | extern void drm_fb_get_bpp_depth(uint32_t format, unsigned int *depth, |
| 1468 | int *bpp); |
| 1469 | extern int drm_format_num_planes(uint32_t format); |
| 1470 | extern int drm_format_plane_cpp(uint32_t format, int plane); |
| 1471 | extern int drm_format_horz_chroma_subsampling(uint32_t format); |
| 1472 | extern int drm_format_vert_chroma_subsampling(uint32_t format); |
| 1473 | extern const char *drm_get_format_name(uint32_t format); |
| 1474 | extern struct drm_property *drm_mode_create_rotation_property(struct drm_device *dev, |
| 1475 | unsigned int supported_rotations); |
| 1476 | extern unsigned int drm_rotation_simplify(unsigned int rotation, |
| 1477 | unsigned int supported_rotations); |
| 1478 | |
| 1479 | /* Helpers */ |
| 1480 | |
| 1481 | static inline struct drm_plane *drm_plane_find(struct drm_device *dev, |
| 1482 | uint32_t id) |
| 1483 | { |
| 1484 | struct drm_mode_object *mo; |
| 1485 | mo = drm_mode_object_find(dev, id, DRM_MODE_OBJECT_PLANE); |
| 1486 | return mo ? obj_to_plane(mo) : NULL; |
| 1487 | } |
| 1488 | |
| 1489 | static inline struct drm_crtc *drm_crtc_find(struct drm_device *dev, |
| 1490 | uint32_t id) |
| 1491 | { |
| 1492 | struct drm_mode_object *mo; |
| 1493 | mo = drm_mode_object_find(dev, id, DRM_MODE_OBJECT_CRTC); |
| 1494 | return mo ? obj_to_crtc(mo) : NULL; |
| 1495 | } |
| 1496 | |
| 1497 | static inline struct drm_encoder *drm_encoder_find(struct drm_device *dev, |
| 1498 | uint32_t id) |
| 1499 | { |
| 1500 | struct drm_mode_object *mo; |
| 1501 | mo = drm_mode_object_find(dev, id, DRM_MODE_OBJECT_ENCODER); |
| 1502 | return mo ? obj_to_encoder(mo) : NULL; |
| 1503 | } |
| 1504 | |
| 1505 | static inline struct drm_connector *drm_connector_find(struct drm_device *dev, |
| 1506 | uint32_t id) |
| 1507 | { |
| 1508 | struct drm_mode_object *mo; |
| 1509 | mo = drm_mode_object_find(dev, id, DRM_MODE_OBJECT_CONNECTOR); |
| 1510 | return mo ? obj_to_connector(mo) : NULL; |
| 1511 | } |
| 1512 | |
| 1513 | static inline struct drm_property *drm_property_find(struct drm_device *dev, |
| 1514 | uint32_t id) |
| 1515 | { |
| 1516 | struct drm_mode_object *mo; |
| 1517 | mo = drm_mode_object_find(dev, id, DRM_MODE_OBJECT_PROPERTY); |
| 1518 | return mo ? obj_to_property(mo) : NULL; |
| 1519 | } |
| 1520 | |
| 1521 | static inline struct drm_property_blob * |
| 1522 | drm_property_blob_find(struct drm_device *dev, uint32_t id) |
| 1523 | { |
| 1524 | struct drm_mode_object *mo; |
| 1525 | mo = drm_mode_object_find(dev, id, DRM_MODE_OBJECT_BLOB); |
| 1526 | return mo ? obj_to_blob(mo) : NULL; |
| 1527 | } |
| 1528 | |
| 1529 | /* Plane list iterator for legacy (overlay only) planes. */ |
| 1530 | #define drm_for_each_legacy_plane(plane, planelist) \ |
| 1531 | list_for_each_entry(plane, planelist, head) \ |
| 1532 | if (plane->type == DRM_PLANE_TYPE_OVERLAY) |
| 1533 | |
| 1534 | #endif /* __DRM_CRTC_H__ */ |