1 /* SPDX-License-Identifier: GPL-2.0 OR MIT */ 2 /************************************************************************** 3 * 4 * Copyright 2009-2022 VMware, Inc., Palo Alto, CA., USA 5 * 6 * Permission is hereby granted, free of charge, to any person obtaining a 7 * copy of this software and associated documentation files (the 8 * "Software"), to deal in the Software without restriction, including 9 * without limitation the rights to use, copy, modify, merge, publish, 10 * distribute, sub license, and/or sell copies of the Software, and to 11 * permit persons to whom the Software is furnished to do so, subject to 12 * the following conditions: 13 * 14 * The above copyright notice and this permission notice (including the 15 * next paragraph) shall be included in all copies or substantial portions 16 * of the Software. 17 * 18 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 19 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 20 * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL 21 * THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, 22 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR 23 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE 24 * USE OR OTHER DEALINGS IN THE SOFTWARE. 25 * 26 **************************************************************************/ 27 28 #ifndef VMWGFX_KMS_H_ 29 #define VMWGFX_KMS_H_ 30 31 #include <drm/drm_encoder.h> 32 #include <drm/drm_framebuffer.h> 33 #include <drm/drm_probe_helper.h> 34 35 #include "vmwgfx_drv.h" 36 37 /** 38 * struct vmw_du_update_plane - Closure structure for vmw_du_helper_plane_update 39 * @plane: Plane which is being updated. 40 * @old_state: Old state of plane. 41 * @dev_priv: Device private. 42 * @du: Display unit on which to update the plane. 43 * @vfb: Framebuffer which is blitted to display unit. 44 * @out_fence: Out fence for resource finish. 45 * @mutex: The mutex used to protect resource reservation. 46 * @cpu_blit: True if need cpu blit. 47 * @intr: Whether to perform waits interruptible if possible. 48 * 49 * This structure loosely represent the set of operations needed to perform a 50 * plane update on a display unit. Implementer will define that functionality 51 * according to the function callbacks for this structure. In brief it involves 52 * surface/buffer object validation, populate FIFO commands and command 53 * submission to the device. 54 */ 55 struct vmw_du_update_plane { 56 /** 57 * @calc_fifo_size: Calculate fifo size. 58 * 59 * Determine fifo size for the commands needed for update. The number of 60 * damage clips on display unit @num_hits will be passed to allocate 61 * sufficient fifo space. 62 * 63 * Return: Fifo size needed 64 */ 65 uint32_t (*calc_fifo_size)(struct vmw_du_update_plane *update, 66 uint32_t num_hits); 67 68 /** 69 * @post_prepare: Populate fifo for resource preparation. 70 * 71 * Some surface resource or buffer object need some extra cmd submission 72 * like update GB image for proxy surface and define a GMRFB for screen 73 * object. That should should be done here as this callback will be 74 * called after FIFO allocation with the address of command buufer. 75 * 76 * This callback is optional. 77 * 78 * Return: Size of commands populated to command buffer. 79 */ 80 uint32_t (*post_prepare)(struct vmw_du_update_plane *update, void *cmd); 81 82 /** 83 * @pre_clip: Populate fifo before clip. 84 * 85 * This is where pre clip related command should be populated like 86 * surface copy/DMA, etc. 87 * 88 * This callback is optional. 89 * 90 * Return: Size of commands populated to command buffer. 91 */ 92 uint32_t (*pre_clip)(struct vmw_du_update_plane *update, void *cmd, 93 uint32_t num_hits); 94 95 /** 96 * @clip: Populate fifo for clip. 97 * 98 * This is where to populate clips for surface copy/dma or blit commands 99 * if needed. This will be called times have damage in display unit, 100 * which is one if doing full update. @clip is the damage in destination 101 * coordinates which is crtc/DU and @src_x, @src_y is damage clip src in 102 * framebuffer coordinate. 103 * 104 * This callback is optional. 105 * 106 * Return: Size of commands populated to command buffer. 107 */ 108 uint32_t (*clip)(struct vmw_du_update_plane *update, void *cmd, 109 struct drm_rect *clip, uint32_t src_x, uint32_t src_y); 110 111 /** 112 * @post_clip: Populate fifo after clip. 113 * 114 * This is where to populate display unit update commands or blit 115 * commands. 116 * 117 * Return: Size of commands populated to command buffer. 118 */ 119 uint32_t (*post_clip)(struct vmw_du_update_plane *update, void *cmd, 120 struct drm_rect *bb); 121 122 struct drm_plane *plane; 123 struct drm_plane_state *old_state; 124 struct vmw_private *dev_priv; 125 struct vmw_display_unit *du; 126 struct vmw_framebuffer *vfb; 127 struct vmw_fence_obj **out_fence; 128 struct mutex *mutex; 129 bool cpu_blit; 130 bool intr; 131 }; 132 133 /** 134 * struct vmw_du_update_plane_surface - closure structure for surface 135 * @base: base closure structure. 136 * @cmd_start: FIFO command start address (used by SOU only). 137 */ 138 struct vmw_du_update_plane_surface { 139 struct vmw_du_update_plane base; 140 /* This member is to handle special case SOU surface update */ 141 void *cmd_start; 142 }; 143 144 /** 145 * struct vmw_du_update_plane_buffer - Closure structure for buffer object 146 * @base: Base closure structure. 147 * @fb_left: x1 for fb damage bounding box. 148 * @fb_top: y1 for fb damage bounding box. 149 */ 150 struct vmw_du_update_plane_buffer { 151 struct vmw_du_update_plane base; 152 int fb_left, fb_top; 153 }; 154 155 /** 156 * struct vmw_kms_dirty - closure structure for the vmw_kms_helper_dirty 157 * function. 158 * 159 * @fifo_commit: Callback that is called once for each display unit after 160 * all clip rects. This function must commit the fifo space reserved by the 161 * helper. Set up by the caller. 162 * @clip: Callback that is called for each cliprect on each display unit. 163 * Set up by the caller. 164 * @fifo_reserve_size: Fifo size that the helper should try to allocat for 165 * each display unit. Set up by the caller. 166 * @dev_priv: Pointer to the device private. Set up by the helper. 167 * @unit: The current display unit. Set up by the helper before a call to @clip. 168 * @cmd: The allocated fifo space. Set up by the helper before the first @clip 169 * call. 170 * @crtc: The crtc for which to build dirty commands. 171 * @num_hits: Number of clip rect commands for this display unit. 172 * Cleared by the helper before the first @clip call. Updated by the @clip 173 * callback. 174 * @fb_x: Clip rect left side in framebuffer coordinates. 175 * @fb_y: Clip rect right side in framebuffer coordinates. 176 * @unit_x1: Clip rect left side in crtc coordinates. 177 * @unit_y1: Clip rect top side in crtc coordinates. 178 * @unit_x2: Clip rect right side in crtc coordinates. 179 * @unit_y2: Clip rect bottom side in crtc coordinates. 180 * 181 * The clip rect coordinates are updated by the helper for each @clip call. 182 * Note that this may be derived from if more info needs to be passed between 183 * helper caller and helper callbacks. 184 */ 185 struct vmw_kms_dirty { 186 void (*fifo_commit)(struct vmw_kms_dirty *); 187 void (*clip)(struct vmw_kms_dirty *); 188 size_t fifo_reserve_size; 189 struct vmw_private *dev_priv; 190 struct vmw_display_unit *unit; 191 void *cmd; 192 struct drm_crtc *crtc; 193 u32 num_hits; 194 s32 fb_x; 195 s32 fb_y; 196 s32 unit_x1; 197 s32 unit_y1; 198 s32 unit_x2; 199 s32 unit_y2; 200 }; 201 202 #define VMWGFX_NUM_DISPLAY_UNITS 8 203 204 205 #define vmw_framebuffer_to_vfb(x) \ 206 container_of(x, struct vmw_framebuffer, base) 207 #define vmw_framebuffer_to_vfbs(x) \ 208 container_of(x, struct vmw_framebuffer_surface, base.base) 209 #define vmw_framebuffer_to_vfbd(x) \ 210 container_of(x, struct vmw_framebuffer_bo, base.base) 211 212 /** 213 * Base class for framebuffers 214 * 215 * @pin is called the when ever a crtc uses this framebuffer 216 * @unpin is called 217 */ 218 struct vmw_framebuffer { 219 struct drm_framebuffer base; 220 int (*pin)(struct vmw_framebuffer *fb); 221 int (*unpin)(struct vmw_framebuffer *fb); 222 bool bo; 223 uint32_t user_handle; 224 }; 225 226 /* 227 * Clip rectangle 228 */ 229 struct vmw_clip_rect { 230 int x1, x2, y1, y2; 231 }; 232 233 struct vmw_framebuffer_surface { 234 struct vmw_framebuffer base; 235 struct vmw_surface *surface; 236 struct vmw_buffer_object *buffer; 237 struct list_head head; 238 bool is_bo_proxy; /* true if this is proxy surface for DMA buf */ 239 }; 240 241 242 struct vmw_framebuffer_bo { 243 struct vmw_framebuffer base; 244 struct vmw_buffer_object *buffer; 245 }; 246 247 248 static const uint32_t __maybe_unused vmw_primary_plane_formats[] = { 249 DRM_FORMAT_XRGB1555, 250 DRM_FORMAT_RGB565, 251 DRM_FORMAT_XRGB8888, 252 DRM_FORMAT_ARGB8888, 253 }; 254 255 static const uint32_t __maybe_unused vmw_cursor_plane_formats[] = { 256 DRM_FORMAT_ARGB8888, 257 }; 258 259 260 #define vmw_crtc_state_to_vcs(x) container_of(x, struct vmw_crtc_state, base) 261 #define vmw_plane_state_to_vps(x) container_of(x, struct vmw_plane_state, base) 262 #define vmw_connector_state_to_vcs(x) \ 263 container_of(x, struct vmw_connector_state, base) 264 #define vmw_plane_to_vcp(x) container_of(x, struct vmw_cursor_plane, base) 265 266 /** 267 * Derived class for crtc state object 268 * 269 * @base DRM crtc object 270 */ 271 struct vmw_crtc_state { 272 struct drm_crtc_state base; 273 }; 274 275 /** 276 * Derived class for plane state object 277 * 278 * @base DRM plane object 279 * @surf Display surface for STDU 280 * @bo display bo for SOU 281 * @content_fb_type Used by STDU. 282 * @bo_size Size of the bo, used by Screen Object Display Unit 283 * @pinned pin count for STDU display surface 284 */ 285 struct vmw_plane_state { 286 struct drm_plane_state base; 287 struct vmw_surface *surf; 288 struct vmw_buffer_object *bo; 289 290 int content_fb_type; 291 unsigned long bo_size; 292 293 int pinned; 294 295 /* For CPU Blit */ 296 unsigned int cpp; 297 298 /* CursorMob flipping index; -1 if cursor mobs not used */ 299 unsigned int cursor_mob_idx; 300 /* Currently-active CursorMob */ 301 struct ttm_buffer_object *cm_bo; 302 /* CursorMob kmap_obj; expected valid at cursor_plane_atomic_update 303 IFF currently-active CursorMob above is valid */ 304 struct ttm_bo_kmap_obj cm_map; 305 }; 306 307 308 /** 309 * Derived class for connector state object 310 * 311 * @base DRM connector object 312 * @is_implicit connector property 313 * 314 */ 315 struct vmw_connector_state { 316 struct drm_connector_state base; 317 318 /** 319 * @gui_x: 320 * 321 * vmwgfx connector property representing the x position of this display 322 * unit (connector is synonymous to display unit) in overall topology. 323 * This is what the device expect as xRoot while creating screen. 324 */ 325 int gui_x; 326 327 /** 328 * @gui_y: 329 * 330 * vmwgfx connector property representing the y position of this display 331 * unit (connector is synonymous to display unit) in overall topology. 332 * This is what the device expect as yRoot while creating screen. 333 */ 334 int gui_y; 335 }; 336 337 /** 338 * Derived class for cursor plane object 339 * 340 * @base DRM plane object 341 * @cursor_mob array of two MOBs for CursorMob flipping 342 */ 343 struct vmw_cursor_plane { 344 struct drm_plane base; 345 struct ttm_buffer_object *cursor_mob[2]; 346 }; 347 348 /** 349 * Base class display unit. 350 * 351 * Since the SVGA hw doesn't have a concept of a crtc, encoder or connector 352 * so the display unit is all of them at the same time. This is true for both 353 * legacy multimon and screen objects. 354 */ 355 struct vmw_display_unit { 356 struct drm_crtc crtc; 357 struct drm_encoder encoder; 358 struct drm_connector connector; 359 struct drm_plane primary; 360 struct vmw_cursor_plane cursor; 361 362 struct vmw_surface *cursor_surface; 363 struct vmw_buffer_object *cursor_bo; 364 size_t cursor_age; 365 366 int cursor_x; 367 int cursor_y; 368 369 int hotspot_x; 370 int hotspot_y; 371 s32 core_hotspot_x; 372 s32 core_hotspot_y; 373 374 unsigned unit; 375 376 /* 377 * Prefered mode tracking. 378 */ 379 unsigned pref_width; 380 unsigned pref_height; 381 bool pref_active; 382 struct drm_display_mode *pref_mode; 383 384 /* 385 * Gui positioning 386 */ 387 int gui_x; 388 int gui_y; 389 bool is_implicit; 390 int set_gui_x; 391 int set_gui_y; 392 }; 393 394 struct vmw_validation_ctx { 395 struct vmw_resource *res; 396 struct vmw_buffer_object *buf; 397 }; 398 399 #define vmw_crtc_to_du(x) \ 400 container_of(x, struct vmw_display_unit, crtc) 401 #define vmw_connector_to_du(x) \ 402 container_of(x, struct vmw_display_unit, connector) 403 404 405 /* 406 * Shared display unit functions - vmwgfx_kms.c 407 */ 408 void vmw_du_cleanup(struct vmw_display_unit *du); 409 void vmw_du_crtc_save(struct drm_crtc *crtc); 410 void vmw_du_crtc_restore(struct drm_crtc *crtc); 411 int vmw_du_crtc_gamma_set(struct drm_crtc *crtc, 412 u16 *r, u16 *g, u16 *b, 413 uint32_t size, 414 struct drm_modeset_acquire_ctx *ctx); 415 int vmw_du_connector_set_property(struct drm_connector *connector, 416 struct drm_property *property, 417 uint64_t val); 418 int vmw_du_connector_atomic_set_property(struct drm_connector *connector, 419 struct drm_connector_state *state, 420 struct drm_property *property, 421 uint64_t val); 422 int 423 vmw_du_connector_atomic_get_property(struct drm_connector *connector, 424 const struct drm_connector_state *state, 425 struct drm_property *property, 426 uint64_t *val); 427 int vmw_du_connector_dpms(struct drm_connector *connector, int mode); 428 void vmw_du_connector_save(struct drm_connector *connector); 429 void vmw_du_connector_restore(struct drm_connector *connector); 430 enum drm_connector_status 431 vmw_du_connector_detect(struct drm_connector *connector, bool force); 432 int vmw_du_connector_fill_modes(struct drm_connector *connector, 433 uint32_t max_width, uint32_t max_height); 434 int vmw_kms_helper_dirty(struct vmw_private *dev_priv, 435 struct vmw_framebuffer *framebuffer, 436 const struct drm_clip_rect *clips, 437 const struct drm_vmw_rect *vclips, 438 s32 dest_x, s32 dest_y, 439 int num_clips, 440 int increment, 441 struct vmw_kms_dirty *dirty); 442 443 void vmw_kms_helper_validation_finish(struct vmw_private *dev_priv, 444 struct drm_file *file_priv, 445 struct vmw_validation_context *ctx, 446 struct vmw_fence_obj **out_fence, 447 struct drm_vmw_fence_rep __user * 448 user_fence_rep); 449 int vmw_kms_readback(struct vmw_private *dev_priv, 450 struct drm_file *file_priv, 451 struct vmw_framebuffer *vfb, 452 struct drm_vmw_fence_rep __user *user_fence_rep, 453 struct drm_vmw_rect *vclips, 454 uint32_t num_clips); 455 struct vmw_framebuffer * 456 vmw_kms_new_framebuffer(struct vmw_private *dev_priv, 457 struct vmw_buffer_object *bo, 458 struct vmw_surface *surface, 459 bool only_2d, 460 const struct drm_mode_fb_cmd2 *mode_cmd); 461 int vmw_kms_fbdev_init_data(struct vmw_private *dev_priv, 462 unsigned unit, 463 u32 max_width, 464 u32 max_height, 465 struct drm_connector **p_con, 466 struct drm_crtc **p_crtc, 467 struct drm_display_mode **p_mode); 468 void vmw_guess_mode_timing(struct drm_display_mode *mode); 469 void vmw_kms_update_implicit_fb(struct vmw_private *dev_priv); 470 void vmw_kms_create_implicit_placement_property(struct vmw_private *dev_priv); 471 472 /* Universal Plane Helpers */ 473 void vmw_du_primary_plane_destroy(struct drm_plane *plane); 474 void vmw_du_cursor_plane_destroy(struct drm_plane *plane); 475 int vmw_du_create_cursor_mob_array(struct vmw_cursor_plane *vcp); 476 void vmw_du_destroy_cursor_mob_array(struct vmw_cursor_plane *vcp); 477 478 /* Atomic Helpers */ 479 int vmw_du_primary_plane_atomic_check(struct drm_plane *plane, 480 struct drm_atomic_state *state); 481 int vmw_du_cursor_plane_atomic_check(struct drm_plane *plane, 482 struct drm_atomic_state *state); 483 void vmw_du_cursor_plane_atomic_update(struct drm_plane *plane, 484 struct drm_atomic_state *state); 485 int vmw_du_cursor_plane_prepare_fb(struct drm_plane *plane, 486 struct drm_plane_state *new_state); 487 void vmw_du_cursor_plane_cleanup_fb(struct drm_plane *plane, 488 struct drm_plane_state *old_state); 489 void vmw_du_plane_cleanup_fb(struct drm_plane *plane, 490 struct drm_plane_state *old_state); 491 void vmw_du_plane_reset(struct drm_plane *plane); 492 struct drm_plane_state *vmw_du_plane_duplicate_state(struct drm_plane *plane); 493 void vmw_du_plane_destroy_state(struct drm_plane *plane, 494 struct drm_plane_state *state); 495 void vmw_du_plane_unpin_surf(struct vmw_plane_state *vps, 496 bool unreference); 497 498 int vmw_du_crtc_atomic_check(struct drm_crtc *crtc, 499 struct drm_atomic_state *state); 500 void vmw_du_crtc_atomic_begin(struct drm_crtc *crtc, 501 struct drm_atomic_state *state); 502 void vmw_du_crtc_atomic_flush(struct drm_crtc *crtc, 503 struct drm_atomic_state *state); 504 void vmw_du_crtc_reset(struct drm_crtc *crtc); 505 struct drm_crtc_state *vmw_du_crtc_duplicate_state(struct drm_crtc *crtc); 506 void vmw_du_crtc_destroy_state(struct drm_crtc *crtc, 507 struct drm_crtc_state *state); 508 void vmw_du_connector_reset(struct drm_connector *connector); 509 struct drm_connector_state * 510 vmw_du_connector_duplicate_state(struct drm_connector *connector); 511 512 void vmw_du_connector_destroy_state(struct drm_connector *connector, 513 struct drm_connector_state *state); 514 515 /* 516 * Legacy display unit functions - vmwgfx_ldu.c 517 */ 518 int vmw_kms_ldu_init_display(struct vmw_private *dev_priv); 519 int vmw_kms_ldu_close_display(struct vmw_private *dev_priv); 520 int vmw_kms_ldu_do_bo_dirty(struct vmw_private *dev_priv, 521 struct vmw_framebuffer *framebuffer, 522 unsigned int flags, unsigned int color, 523 struct drm_clip_rect *clips, 524 unsigned int num_clips, int increment); 525 int vmw_kms_update_proxy(struct vmw_resource *res, 526 const struct drm_clip_rect *clips, 527 unsigned num_clips, 528 int increment); 529 530 /* 531 * Screen Objects display functions - vmwgfx_scrn.c 532 */ 533 int vmw_kms_sou_init_display(struct vmw_private *dev_priv); 534 int vmw_kms_sou_do_surface_dirty(struct vmw_private *dev_priv, 535 struct vmw_framebuffer *framebuffer, 536 struct drm_clip_rect *clips, 537 struct drm_vmw_rect *vclips, 538 struct vmw_resource *srf, 539 s32 dest_x, 540 s32 dest_y, 541 unsigned num_clips, int inc, 542 struct vmw_fence_obj **out_fence, 543 struct drm_crtc *crtc); 544 int vmw_kms_sou_do_bo_dirty(struct vmw_private *dev_priv, 545 struct vmw_framebuffer *framebuffer, 546 struct drm_clip_rect *clips, 547 struct drm_vmw_rect *vclips, 548 unsigned int num_clips, int increment, 549 bool interruptible, 550 struct vmw_fence_obj **out_fence, 551 struct drm_crtc *crtc); 552 int vmw_kms_sou_readback(struct vmw_private *dev_priv, 553 struct drm_file *file_priv, 554 struct vmw_framebuffer *vfb, 555 struct drm_vmw_fence_rep __user *user_fence_rep, 556 struct drm_vmw_rect *vclips, 557 uint32_t num_clips, 558 struct drm_crtc *crtc); 559 560 /* 561 * Screen Target Display Unit functions - vmwgfx_stdu.c 562 */ 563 int vmw_kms_stdu_init_display(struct vmw_private *dev_priv); 564 int vmw_kms_stdu_surface_dirty(struct vmw_private *dev_priv, 565 struct vmw_framebuffer *framebuffer, 566 struct drm_clip_rect *clips, 567 struct drm_vmw_rect *vclips, 568 struct vmw_resource *srf, 569 s32 dest_x, 570 s32 dest_y, 571 unsigned num_clips, int inc, 572 struct vmw_fence_obj **out_fence, 573 struct drm_crtc *crtc); 574 int vmw_kms_stdu_dma(struct vmw_private *dev_priv, 575 struct drm_file *file_priv, 576 struct vmw_framebuffer *vfb, 577 struct drm_vmw_fence_rep __user *user_fence_rep, 578 struct drm_clip_rect *clips, 579 struct drm_vmw_rect *vclips, 580 uint32_t num_clips, 581 int increment, 582 bool to_surface, 583 bool interruptible, 584 struct drm_crtc *crtc); 585 586 int vmw_du_helper_plane_update(struct vmw_du_update_plane *update); 587 588 /** 589 * vmw_du_translate_to_crtc - Translate a rect from framebuffer to crtc 590 * @state: Plane state. 591 * @r: Rectangle to translate. 592 */ 593 static inline void vmw_du_translate_to_crtc(struct drm_plane_state *state, 594 struct drm_rect *r) 595 { 596 int translate_crtc_x = -((state->src_x >> 16) - state->crtc_x); 597 int translate_crtc_y = -((state->src_y >> 16) - state->crtc_y); 598 599 drm_rect_translate(r, translate_crtc_x, translate_crtc_y); 600 } 601 602 #endif 603