drivers/gpu/drm/vmwgfx/vmwgfx_drv.h

   1 /**************************************************************************
   2  *
   3  * Copyright © 2009 VMware, Inc., Palo Alto, CA., USA
   4  * All Rights Reserved.
   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_DRV_H_
  29 #define _VMWGFX_DRV_H_
  30
  31 #include "vmwgfx_reg.h"
  32 #include "drmP.h"
  33 #include "vmwgfx_drm.h"
  34 #include "drm_hashtab.h"
  35 #include "linux/suspend.h"
  36 #include "ttm/ttm_bo_driver.h"
  37 #include "ttm/ttm_object.h"
  38 #include "ttm/ttm_lock.h"
  39 #include "ttm/ttm_execbuf_util.h"
  40 #include "ttm/ttm_module.h"
  41 #include "vmwgfx_fence.h"
  42
  43 #define VMWGFX_DRIVER_DATE "20110927"
  44 #define VMWGFX_DRIVER_MAJOR 2
  45 #define VMWGFX_DRIVER_MINOR 1
  46 #define VMWGFX_DRIVER_PATCHLEVEL 0
  47 #define VMWGFX_FILE_PAGE_OFFSET 0x00100000
  48 #define VMWGFX_FIFO_STATIC_SIZE (1024*1024)
  49 #define VMWGFX_MAX_RELOCATIONS 2048
  50 #define VMWGFX_MAX_VALIDATIONS 2048
  51 #define VMWGFX_MAX_DISPLAYS 16
  52 #define VMWGFX_CMD_BOUNCE_INIT_SIZE 32768
  53
  54 #define VMW_PL_GMR TTM_PL_PRIV0
  55 #define VMW_PL_FLAG_GMR TTM_PL_FLAG_PRIV0
  56
  57 #define VMW_RES_CONTEXT ttm_driver_type0
  58 #define VMW_RES_SURFACE ttm_driver_type1
  59 #define VMW_RES_STREAM ttm_driver_type2
  60 #define VMW_RES_FENCE ttm_driver_type3
  61
  62 struct vmw_fpriv {
  63         struct drm_master *locked_master;
  64         struct ttm_object_file *tfile;
  65 };
  66
  67 struct vmw_dma_buffer {
  68         struct ttm_buffer_object base;
  69         struct list_head validate_list;
  70         bool gmr_bound;
  71         uint32_t cur_validate_node;
  72         bool on_validate_list;
  73 };
  74
  75 struct vmw_resource {
  76         struct kref kref;
  77         struct vmw_private *dev_priv;
  78         struct idr *idr;
  79         int id;
  80         enum ttm_object_type res_type;
  81         bool avail;
  82         void (*remove_from_lists) (struct vmw_resource *res);
  83         void (*hw_destroy) (struct vmw_resource *res);
  84         void (*res_free) (struct vmw_resource *res);
  85         struct list_head validate_head;
  86         struct list_head query_head; /* Protected by the cmdbuf mutex */
  87         /* TODO is a generic snooper needed? */
  88 #if 0
  89         void (*snoop)(struct vmw_resource *res,
  90                       struct ttm_object_file *tfile,
  91                       SVGA3dCmdHeader *header);
  92         void *snoop_priv;
  93 #endif
  94 };
  95
  96 struct vmw_cursor_snooper {
  97         struct drm_crtc *crtc;
  98         size_t age;
  99         uint32_t *image;
 100 };
 101
 102 struct vmw_framebuffer;
 103 struct vmw_surface_offset;
 104
 105 struct vmw_surface {
 106         struct vmw_resource res;
 107         struct list_head lru_head; /* Protected by the resource lock */
 108         uint32_t flags;
 109         uint32_t format;
 110         uint32_t mip_levels[DRM_VMW_MAX_SURFACE_FACES];
 111         struct drm_vmw_size *sizes;
 112         uint32_t num_sizes;
 113
 114         bool scanout;
 115
 116         /* TODO so far just a extra pointer */
 117         struct vmw_cursor_snooper snooper;
 118         struct ttm_buffer_object *backup;
 119         struct vmw_surface_offset *offsets;
 120         uint32_t backup_size;
 121 };
 122
 123 struct vmw_marker_queue {
 124         struct list_head head;
 125         struct timespec lag;
 126         struct timespec lag_time;
 127         spinlock_t lock;
 128 };
 129
 130 struct vmw_fifo_state {
 131         unsigned long reserved_size;
 132         __le32 *dynamic_buffer;
 133         __le32 *static_buffer;
 134         unsigned long static_buffer_size;
 135         bool using_bounce_buffer;
 136         uint32_t capabilities;
 137         struct mutex fifo_mutex;
 138         struct rw_semaphore rwsem;
 139         struct vmw_marker_queue marker_queue;
 140 };
 141
 142 struct vmw_relocation {
 143         SVGAGuestPtr *location;
 144         uint32_t index;
 145 };
 146
 147 struct vmw_sw_context{
 148         struct ida bo_list;
 149         uint32_t last_cid;
 150         bool cid_valid;
 151         bool kernel; /**< is the called made from the kernel */
 152         struct vmw_resource *cur_ctx;
 153         uint32_t last_sid;
 154         uint32_t sid_translation;
 155         bool sid_valid;
 156         struct ttm_object_file *tfile;
 157         struct list_head validate_nodes;
 158         struct vmw_relocation relocs[VMWGFX_MAX_RELOCATIONS];
 159         uint32_t cur_reloc;
 160         struct ttm_validate_buffer val_bufs[VMWGFX_MAX_VALIDATIONS];
 161         uint32_t cur_val_buf;
 162         uint32_t *cmd_bounce;
 163         uint32_t cmd_bounce_size;
 164         struct list_head resource_list;
 165         uint32_t fence_flags;
 166         struct list_head query_list;
 167         struct ttm_buffer_object *cur_query_bo;
 168         uint32_t cur_query_cid;
 169         bool query_cid_valid;
 170 };
 171
 172 struct vmw_legacy_display;
 173 struct vmw_overlay;
 174
 175 struct vmw_master {
 176         struct ttm_lock lock;
 177         struct mutex fb_surf_mutex;
 178         struct list_head fb_surf;
 179 };
 180
 181 struct vmw_vga_topology_state {
 182         uint32_t width;
 183         uint32_t height;
 184         uint32_t primary;
 185         uint32_t pos_x;
 186         uint32_t pos_y;
 187 };
 188
 189 struct vmw_private {
 190         struct ttm_bo_device bdev;
 191         struct ttm_bo_global_ref bo_global_ref;
 192         struct drm_global_reference mem_global_ref;
 193
 194         struct vmw_fifo_state fifo;
 195
 196         struct drm_device *dev;
 197         unsigned long vmw_chipset;
 198         unsigned int io_start;
 199         uint32_t vram_start;
 200         uint32_t vram_size;
 201         uint32_t mmio_start;
 202         uint32_t mmio_size;
 203         uint32_t fb_max_width;
 204         uint32_t fb_max_height;
 205         __le32 __iomem *mmio_virt;
 206         int mmio_mtrr;
 207         uint32_t capabilities;
 208         uint32_t max_gmr_descriptors;
 209         uint32_t max_gmr_ids;
 210         uint32_t max_gmr_pages;
 211         uint32_t memory_size;
 212         bool has_gmr;
 213         struct mutex hw_mutex;
 214
 215         /*
 216          * VGA registers.
 217          */
 218
 219         struct vmw_vga_topology_state vga_save[VMWGFX_MAX_DISPLAYS];
 220         uint32_t vga_width;
 221         uint32_t vga_height;
 222         uint32_t vga_bpp;
 223         uint32_t vga_bpl;
 224         uint32_t vga_pitchlock;
 225
 226         uint32_t num_displays;
 227
 228         /*
 229          * Framebuffer info.
 230          */
 231
 232         void *fb_info;
 233         struct vmw_legacy_display *ldu_priv;
 234         struct vmw_screen_object_display *sou_priv;
 235         struct vmw_overlay *overlay_priv;
 236
 237         /*
 238          * Context and surface management.
 239          */
 240
 241         rwlock_t resource_lock;
 242         struct idr context_idr;
 243         struct idr surface_idr;
 244         struct idr stream_idr;
 245
 246         /*
 247          * Block lastclose from racing with firstopen.
 248          */
 249
 250         struct mutex init_mutex;
 251
 252         /*
 253          * A resource manager for kernel-only surfaces and
 254          * contexts.
 255          */
 256
 257         struct ttm_object_device *tdev;
 258
 259         /*
 260          * Fencing and IRQs.
 261          */
 262
 263         atomic_t marker_seq;
 264         wait_queue_head_t fence_queue;
 265         wait_queue_head_t fifo_queue;
 266         int fence_queue_waiters; /* Protected by hw_mutex */
 267         atomic_t fifo_queue_waiters;
 268         uint32_t last_read_seqno;
 269         spinlock_t irq_lock;
 270         struct vmw_fence_manager *fman;
 271
 272         /*
 273          * Device state
 274          */
 275
 276         uint32_t traces_state;
 277         uint32_t enable_state;
 278         uint32_t config_done_state;
 279
 280         /**
 281          * Execbuf
 282          */
 283         /**
 284          * Protected by the cmdbuf mutex.
 285          */
 286
 287         struct vmw_sw_context ctx;
 288         struct mutex cmdbuf_mutex;
 289
 290         /**
 291          * Operating mode.
 292          */
 293
 294         bool stealth;
 295         bool is_opened;
 296         bool enable_fb;
 297
 298         /**
 299          * Master management.
 300          */
 301
 302         struct vmw_master *active_master;
 303         struct vmw_master fbdev_master;
 304         struct notifier_block pm_nb;
 305         bool suspended;
 306
 307         struct mutex release_mutex;
 308         uint32_t num_3d_resources;
 309
 310         /*
 311          * Query processing. These members
 312          * are protected by the cmdbuf mutex.
 313          */
 314
 315         struct ttm_buffer_object *dummy_query_bo;
 316         struct ttm_buffer_object *pinned_bo;
 317         uint32_t query_cid;
 318         bool dummy_query_bo_pinned;
 319
 320         /*
 321          * Surface swapping. The "surface_lru" list is protected by the
 322          * resource lock in order to be able to destroy a surface and take
 323          * it off the lru atomically. "used_memory_size" is currently
 324          * protected by the cmdbuf mutex for simplicity.
 325          */
 326
 327         struct list_head surface_lru;
 328         uint32_t used_memory_size;
 329 };
 330
 331 static inline struct vmw_private *vmw_priv(struct drm_device *dev)
 332 {
 333         return (struct vmw_private *)dev->dev_private;
 334 }
 335
 336 static inline struct vmw_fpriv *vmw_fpriv(struct drm_file *file_priv)
 337 {
 338         return (struct vmw_fpriv *)file_priv->driver_priv;
 339 }
 340
 341 static inline struct vmw_master *vmw_master(struct drm_master *master)
 342 {
 343         return (struct vmw_master *) master->driver_priv;
 344 }
 345
 346 static inline void vmw_write(struct vmw_private *dev_priv,
 347                              unsigned int offset, uint32_t value)
 348 {
 349         outl(offset, dev_priv->io_start + VMWGFX_INDEX_PORT);
 350         outl(value, dev_priv->io_start + VMWGFX_VALUE_PORT);
 351 }
 352
 353 static inline uint32_t vmw_read(struct vmw_private *dev_priv,
 354                                 unsigned int offset)
 355 {
 356         uint32_t val;
 357
 358         outl(offset, dev_priv->io_start + VMWGFX_INDEX_PORT);
 359         val = inl(dev_priv->io_start + VMWGFX_VALUE_PORT);
 360         return val;
 361 }
 362
 363 int vmw_3d_resource_inc(struct vmw_private *dev_priv, bool unhide_svga);
 364 void vmw_3d_resource_dec(struct vmw_private *dev_priv, bool hide_svga);
 365
 366 /**
 367  * GMR utilities - vmwgfx_gmr.c
 368  */
 369
 370 extern int vmw_gmr_bind(struct vmw_private *dev_priv,
 371                         struct page *pages[],
 372                         unsigned long num_pages,
 373                         int gmr_id);
 374 extern void vmw_gmr_unbind(struct vmw_private *dev_priv, int gmr_id);
 375
 376 /**
 377  * Resource utilities - vmwgfx_resource.c
 378  */
 379
 380 extern struct vmw_resource *vmw_context_alloc(struct vmw_private *dev_priv);
 381 extern void vmw_resource_unreference(struct vmw_resource **p_res);
 382 extern struct vmw_resource *vmw_resource_reference(struct vmw_resource *res);
 383 extern int vmw_context_destroy_ioctl(struct drm_device *dev, void *data,
 384                                      struct drm_file *file_priv);
 385 extern int vmw_context_define_ioctl(struct drm_device *dev, void *data,
 386                                     struct drm_file *file_priv);
 387 extern int vmw_context_check(struct vmw_private *dev_priv,
 388                              struct ttm_object_file *tfile,
 389                              int id,
 390                              struct vmw_resource **p_res);
 391 extern void vmw_surface_res_free(struct vmw_resource *res);
 392 extern int vmw_surface_init(struct vmw_private *dev_priv,
 393                             struct vmw_surface *srf,
 394                             void (*res_free) (struct vmw_resource *res));
 395 extern int vmw_user_surface_lookup_handle(struct vmw_private *dev_priv,
 396                                           struct ttm_object_file *tfile,
 397                                           uint32_t handle,
 398                                           struct vmw_surface **out);
 399 extern int vmw_surface_destroy_ioctl(struct drm_device *dev, void *data,
 400                                      struct drm_file *file_priv);
 401 extern int vmw_surface_define_ioctl(struct drm_device *dev, void *data,
 402                                     struct drm_file *file_priv);
 403 extern int vmw_surface_reference_ioctl(struct drm_device *dev, void *data,
 404                                        struct drm_file *file_priv);
 405 extern int vmw_surface_check(struct vmw_private *dev_priv,
 406                              struct ttm_object_file *tfile,
 407                              uint32_t handle, int *id);
 408 extern int vmw_surface_validate(struct vmw_private *dev_priv,
 409                                 struct vmw_surface *srf);
 410 extern void vmw_dmabuf_bo_free(struct ttm_buffer_object *bo);
 411 extern int vmw_dmabuf_init(struct vmw_private *dev_priv,
 412                            struct vmw_dma_buffer *vmw_bo,
 413                            size_t size, struct ttm_placement *placement,
 414                            bool interuptable,
 415                            void (*bo_free) (struct ttm_buffer_object *bo));
 416 extern int vmw_dmabuf_alloc_ioctl(struct drm_device *dev, void *data,
 417                                   struct drm_file *file_priv);
 418 extern int vmw_dmabuf_unref_ioctl(struct drm_device *dev, void *data,
 419                                   struct drm_file *file_priv);
 420 extern uint32_t vmw_dmabuf_validate_node(struct ttm_buffer_object *bo,
 421                                          uint32_t cur_validate_node);
 422 extern void vmw_dmabuf_validate_clear(struct ttm_buffer_object *bo);
 423 extern int vmw_user_dmabuf_lookup(struct ttm_object_file *tfile,
 424                                   uint32_t id, struct vmw_dma_buffer **out);
 425 extern int vmw_stream_claim_ioctl(struct drm_device *dev, void *data,
 426                                   struct drm_file *file_priv);
 427 extern int vmw_stream_unref_ioctl(struct drm_device *dev, void *data,
 428                                   struct drm_file *file_priv);
 429 extern int vmw_user_stream_lookup(struct vmw_private *dev_priv,
 430                                   struct ttm_object_file *tfile,
 431                                   uint32_t *inout_id,
 432                                   struct vmw_resource **out);
 433 extern void vmw_resource_unreserve(struct list_head *list);
 434
 435 /**
 436  * DMA buffer helper routines - vmwgfx_dmabuf.c
 437  */
 438 extern int vmw_dmabuf_to_placement(struct vmw_private *vmw_priv,
 439                                    struct vmw_dma_buffer *bo,
 440                                    struct ttm_placement *placement,
 441                                    bool interruptible);
 442 extern int vmw_dmabuf_to_vram(struct vmw_private *dev_priv,
 443                               struct vmw_dma_buffer *buf,
 444                               bool pin, bool interruptible);
 445 extern int vmw_dmabuf_to_vram_or_gmr(struct vmw_private *dev_priv,
 446                                      struct vmw_dma_buffer *buf,
 447                                      bool pin, bool interruptible);
 448 extern int vmw_dmabuf_to_start_of_vram(struct vmw_private *vmw_priv,
 449                                        struct vmw_dma_buffer *bo,
 450                                        bool pin, bool interruptible);
 451 extern int vmw_dmabuf_unpin(struct vmw_private *vmw_priv,
 452                             struct vmw_dma_buffer *bo,
 453                             bool interruptible);
 454 extern void vmw_bo_get_guest_ptr(const struct ttm_buffer_object *buf,
 455                                  SVGAGuestPtr *ptr);
 456 extern void vmw_bo_pin(struct ttm_buffer_object *bo, bool pin);
 457
 458 /**
 459  * Misc Ioctl functionality - vmwgfx_ioctl.c
 460  */
 461
 462 extern int vmw_getparam_ioctl(struct drm_device *dev, void *data,
 463                               struct drm_file *file_priv);
 464 extern int vmw_get_cap_3d_ioctl(struct drm_device *dev, void *data,
 465                                 struct drm_file *file_priv);
 466 extern int vmw_present_ioctl(struct drm_device *dev, void *data,
 467                              struct drm_file *file_priv);
 468 extern int vmw_present_readback_ioctl(struct drm_device *dev, void *data,
 469                                       struct drm_file *file_priv);
 470
 471 /**
 472  * Fifo utilities - vmwgfx_fifo.c
 473  */
 474
 475 extern int vmw_fifo_init(struct vmw_private *dev_priv,
 476                          struct vmw_fifo_state *fifo);
 477 extern void vmw_fifo_release(struct vmw_private *dev_priv,
 478                              struct vmw_fifo_state *fifo);
 479 extern void *vmw_fifo_reserve(struct vmw_private *dev_priv, uint32_t bytes);
 480 extern void vmw_fifo_commit(struct vmw_private *dev_priv, uint32_t bytes);
 481 extern int vmw_fifo_send_fence(struct vmw_private *dev_priv,
 482                                uint32_t *seqno);
 483 extern void vmw_fifo_ping_host(struct vmw_private *dev_priv, uint32_t reason);
 484 extern bool vmw_fifo_have_3d(struct vmw_private *dev_priv);
 485 extern bool vmw_fifo_have_pitchlock(struct vmw_private *dev_priv);
 486 extern int vmw_fifo_emit_dummy_query(struct vmw_private *dev_priv,
 487                                      uint32_t cid);
 488
 489 /**
 490  * TTM glue - vmwgfx_ttm_glue.c
 491  */
 492
 493 extern int vmw_ttm_global_init(struct vmw_private *dev_priv);
 494 extern void vmw_ttm_global_release(struct vmw_private *dev_priv);
 495 extern int vmw_mmap(struct file *filp, struct vm_area_struct *vma);
 496
 497 /**
 498  * TTM buffer object driver - vmwgfx_buffer.c
 499  */
 500
 501 extern struct ttm_placement vmw_vram_placement;
 502 extern struct ttm_placement vmw_vram_ne_placement;
 503 extern struct ttm_placement vmw_vram_sys_placement;
 504 extern struct ttm_placement vmw_vram_gmr_placement;
 505 extern struct ttm_placement vmw_vram_gmr_ne_placement;
 506 extern struct ttm_placement vmw_sys_placement;
 507 extern struct ttm_placement vmw_evictable_placement;
 508 extern struct ttm_placement vmw_srf_placement;
 509 extern struct ttm_bo_driver vmw_bo_driver;
 510 extern int vmw_dma_quiescent(struct drm_device *dev);
 511
 512 /**
 513  * Command submission - vmwgfx_execbuf.c
 514  */
 515
 516 extern int vmw_execbuf_ioctl(struct drm_device *dev, void *data,
 517                              struct drm_file *file_priv);
 518 extern int vmw_execbuf_process(struct drm_file *file_priv,
 519                                struct vmw_private *dev_priv,
 520                                void __user *user_commands,
 521                                void *kernel_commands,
 522                                uint32_t command_size,
 523                                uint64_t throttle_us,
 524                                struct drm_vmw_fence_rep __user
 525                                *user_fence_rep);
 526
 527 extern void
 528 vmw_execbuf_release_pinned_bo(struct vmw_private *dev_priv,
 529                               bool only_on_cid_match, uint32_t cid);
 530
 531 extern int vmw_execbuf_fence_commands(struct drm_file *file_priv,
 532                                       struct vmw_private *dev_priv,
 533                                       struct vmw_fence_obj **p_fence,
 534                                       uint32_t *p_handle);
 535
 536
 537 /**
 538  * IRQs and wating - vmwgfx_irq.c
 539  */
 540
 541 extern irqreturn_t vmw_irq_handler(DRM_IRQ_ARGS);
 542 extern int vmw_wait_seqno(struct vmw_private *dev_priv, bool lazy,
 543                              uint32_t seqno, bool interruptible,
 544                              unsigned long timeout);
 545 extern void vmw_irq_preinstall(struct drm_device *dev);
 546 extern int vmw_irq_postinstall(struct drm_device *dev);
 547 extern void vmw_irq_uninstall(struct drm_device *dev);
 548 extern bool vmw_seqno_passed(struct vmw_private *dev_priv,
 549                                 uint32_t seqno);
 550 extern int vmw_fallback_wait(struct vmw_private *dev_priv,
 551                              bool lazy,
 552                              bool fifo_idle,
 553                              uint32_t seqno,
 554                              bool interruptible,
 555                              unsigned long timeout);
 556 extern void vmw_update_seqno(struct vmw_private *dev_priv,
 557                                 struct vmw_fifo_state *fifo_state);
 558 extern void vmw_seqno_waiter_add(struct vmw_private *dev_priv);
 559 extern void vmw_seqno_waiter_remove(struct vmw_private *dev_priv);
 560
 561 /**
 562  * Rudimentary fence-like objects currently used only for throttling -
 563  * vmwgfx_marker.c
 564  */
 565
 566 extern void vmw_marker_queue_init(struct vmw_marker_queue *queue);
 567 extern void vmw_marker_queue_takedown(struct vmw_marker_queue *queue);
 568 extern int vmw_marker_push(struct vmw_marker_queue *queue,
 569                           uint32_t seqno);
 570 extern int vmw_marker_pull(struct vmw_marker_queue *queue,
 571                           uint32_t signaled_seqno);
 572 extern int vmw_wait_lag(struct vmw_private *dev_priv,
 573                         struct vmw_marker_queue *queue, uint32_t us);
 574
 575 /**
 576  * Kernel framebuffer - vmwgfx_fb.c
 577  */
 578
 579 int vmw_fb_init(struct vmw_private *vmw_priv);
 580 int vmw_fb_close(struct vmw_private *dev_priv);
 581 int vmw_fb_off(struct vmw_private *vmw_priv);
 582 int vmw_fb_on(struct vmw_private *vmw_priv);
 583
 584 /**
 585  * Kernel modesetting - vmwgfx_kms.c
 586  */
 587
 588 int vmw_kms_init(struct vmw_private *dev_priv);
 589 int vmw_kms_close(struct vmw_private *dev_priv);
 590 int vmw_kms_save_vga(struct vmw_private *vmw_priv);
 591 int vmw_kms_restore_vga(struct vmw_private *vmw_priv);
 592 int vmw_kms_cursor_bypass_ioctl(struct drm_device *dev, void *data,
 593                                 struct drm_file *file_priv);
 594 void vmw_kms_cursor_post_execbuf(struct vmw_private *dev_priv);
 595 void vmw_kms_cursor_snoop(struct vmw_surface *srf,
 596                           struct ttm_object_file *tfile,
 597                           struct ttm_buffer_object *bo,
 598                           SVGA3dCmdHeader *header);
 599 int vmw_kms_write_svga(struct vmw_private *vmw_priv,
 600                        unsigned width, unsigned height, unsigned pitch,
 601                        unsigned bpp, unsigned depth);
 602 void vmw_kms_idle_workqueues(struct vmw_master *vmaster);
 603 bool vmw_kms_validate_mode_vram(struct vmw_private *dev_priv,
 604                                 uint32_t pitch,
 605                                 uint32_t height);
 606 u32 vmw_get_vblank_counter(struct drm_device *dev, int crtc);
 607 int vmw_kms_present(struct vmw_private *dev_priv,
 608                     struct drm_file *file_priv,
 609                     struct vmw_framebuffer *vfb,
 610                     struct vmw_surface *surface,
 611                     uint32_t sid, int32_t destX, int32_t destY,
 612                     struct drm_vmw_rect *clips,
 613                     uint32_t num_clips);
 614 int vmw_kms_readback(struct vmw_private *dev_priv,
 615                      struct drm_file *file_priv,
 616                      struct vmw_framebuffer *vfb,
 617                      struct drm_vmw_fence_rep __user *user_fence_rep,
 618                      struct drm_vmw_rect *clips,
 619                      uint32_t num_clips);
 620
 621 /**
 622  * Overlay control - vmwgfx_overlay.c
 623  */
 624
 625 int vmw_overlay_init(struct vmw_private *dev_priv);
 626 int vmw_overlay_close(struct vmw_private *dev_priv);
 627 int vmw_overlay_ioctl(struct drm_device *dev, void *data,
 628                       struct drm_file *file_priv);
 629 int vmw_overlay_stop_all(struct vmw_private *dev_priv);
 630 int vmw_overlay_resume_all(struct vmw_private *dev_priv);
 631 int vmw_overlay_pause_all(struct vmw_private *dev_priv);
 632 int vmw_overlay_claim(struct vmw_private *dev_priv, uint32_t *out);
 633 int vmw_overlay_unref(struct vmw_private *dev_priv, uint32_t stream_id);
 634 int vmw_overlay_num_overlays(struct vmw_private *dev_priv);
 635 int vmw_overlay_num_free_overlays(struct vmw_private *dev_priv);
 636
 637 /**
 638  * GMR Id manager
 639  */
 640
 641 extern const struct ttm_mem_type_manager_func vmw_gmrid_manager_func;
 642
 643 /**
 644  * Inline helper functions
 645  */
 646
 647 static inline void vmw_surface_unreference(struct vmw_surface **srf)
 648 {
 649         struct vmw_surface *tmp_srf = *srf;
 650         struct vmw_resource *res = &tmp_srf->res;
 651         *srf = NULL;
 652
 653         vmw_resource_unreference(&res);
 654 }
 655
 656 static inline struct vmw_surface *vmw_surface_reference(struct vmw_surface *srf)
 657 {
 658         (void) vmw_resource_reference(&srf->res);
 659         return srf;
 660 }
 661
 662 static inline void vmw_dmabuf_unreference(struct vmw_dma_buffer **buf)
 663 {
 664         struct vmw_dma_buffer *tmp_buf = *buf;
 665         struct ttm_buffer_object *bo = &tmp_buf->base;
 666         *buf = NULL;
 667
 668         ttm_bo_unref(&bo);
 669 }
 670
 671 static inline struct vmw_dma_buffer *vmw_dmabuf_reference(struct vmw_dma_buffer *buf)
 672 {
 673         if (ttm_bo_reference(&buf->base))
 674                 return buf;
 675         return NULL;
 676 }
 677
 678 static inline struct ttm_mem_global *vmw_mem_glob(struct vmw_private *dev_priv)
 679 {
 680         return (struct ttm_mem_global *) dev_priv->mem_global_ref.object;
 681 }
 682 #endif