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
  42 #define VMWGFX_DRIVER_DATE "20100927"
  43 #define VMWGFX_DRIVER_MAJOR 1
  44 #define VMWGFX_DRIVER_MINOR 4
  45 #define VMWGFX_DRIVER_PATCHLEVEL 0
  46 #define VMWGFX_FILE_PAGE_OFFSET 0x00100000
  47 #define VMWGFX_FIFO_STATIC_SIZE (1024*1024)
  48 #define VMWGFX_MAX_RELOCATIONS 2048
  49 #define VMWGFX_MAX_GMRS 2048
  50 #define VMWGFX_MAX_DISPLAYS 16
  51
  52 #define VMW_PL_GMR TTM_PL_PRIV0
  53 #define VMW_PL_FLAG_GMR TTM_PL_FLAG_PRIV0
  54
  55 struct vmw_fpriv {
  56         struct drm_master *locked_master;
  57         struct ttm_object_file *tfile;
  58 };
  59
  60 struct vmw_dma_buffer {
  61         struct ttm_buffer_object base;
  62         struct list_head validate_list;
  63         bool gmr_bound;
  64         uint32_t cur_validate_node;
  65         bool on_validate_list;
  66 };
  67
  68 struct vmw_resource {
  69         struct kref kref;
  70         struct vmw_private *dev_priv;
  71         struct idr *idr;
  72         int id;
  73         enum ttm_object_type res_type;
  74         bool avail;
  75         void (*hw_destroy) (struct vmw_resource *res);
  76         void (*res_free) (struct vmw_resource *res);
  77
  78         /* TODO is a generic snooper needed? */
  79 #if 0
  80         void (*snoop)(struct vmw_resource *res,
  81                       struct ttm_object_file *tfile,
  82                       SVGA3dCmdHeader *header);
  83         void *snoop_priv;
  84 #endif
  85 };
  86
  87 struct vmw_cursor_snooper {
  88         struct drm_crtc *crtc;
  89         size_t age;
  90         uint32_t *image;
  91 };
  92
  93 struct vmw_surface {
  94         struct vmw_resource res;
  95         uint32_t flags;
  96         uint32_t format;
  97         uint32_t mip_levels[DRM_VMW_MAX_SURFACE_FACES];
  98         struct drm_vmw_size *sizes;
  99         uint32_t num_sizes;
 100
 101         bool scanout;
 102
 103         /* TODO so far just a extra pointer */
 104         struct vmw_cursor_snooper snooper;
 105 };
 106
 107 struct vmw_fence_queue {
 108         struct list_head head;
 109         struct timespec lag;
 110         struct timespec lag_time;
 111         spinlock_t lock;
 112 };
 113
 114 struct vmw_fifo_state {
 115         unsigned long reserved_size;
 116         __le32 *dynamic_buffer;
 117         __le32 *static_buffer;
 118         __le32 *last_buffer;
 119         uint32_t last_data_size;
 120         uint32_t last_buffer_size;
 121         bool last_buffer_add;
 122         unsigned long static_buffer_size;
 123         bool using_bounce_buffer;
 124         uint32_t capabilities;
 125         struct mutex fifo_mutex;
 126         struct rw_semaphore rwsem;
 127         struct vmw_fence_queue fence_queue;
 128 };
 129
 130 struct vmw_relocation {
 131         SVGAGuestPtr *location;
 132         uint32_t index;
 133 };
 134
 135 struct vmw_sw_context{
 136         struct ida bo_list;
 137         uint32_t last_cid;
 138         bool cid_valid;
 139         uint32_t last_sid;
 140         uint32_t sid_translation;
 141         bool sid_valid;
 142         struct ttm_object_file *tfile;
 143         struct list_head validate_nodes;
 144         struct vmw_relocation relocs[VMWGFX_MAX_RELOCATIONS];
 145         uint32_t cur_reloc;
 146         struct ttm_validate_buffer val_bufs[VMWGFX_MAX_GMRS];
 147         uint32_t cur_val_buf;
 148 };
 149
 150 struct vmw_legacy_display;
 151 struct vmw_overlay;
 152
 153 struct vmw_master {
 154         struct ttm_lock lock;
 155         struct mutex fb_surf_mutex;
 156         struct list_head fb_surf;
 157 };
 158
 159 struct vmw_vga_topology_state {
 160         uint32_t width;
 161         uint32_t height;
 162         uint32_t primary;
 163         uint32_t pos_x;
 164         uint32_t pos_y;
 165 };
 166
 167 struct vmw_private {
 168         struct ttm_bo_device bdev;
 169         struct ttm_bo_global_ref bo_global_ref;
 170         struct drm_global_reference mem_global_ref;
 171
 172         struct vmw_fifo_state fifo;
 173
 174         struct drm_device *dev;
 175         unsigned long vmw_chipset;
 176         unsigned int io_start;
 177         uint32_t vram_start;
 178         uint32_t vram_size;
 179         uint32_t mmio_start;
 180         uint32_t mmio_size;
 181         uint32_t fb_max_width;
 182         uint32_t fb_max_height;
 183         __le32 __iomem *mmio_virt;
 184         int mmio_mtrr;
 185         uint32_t capabilities;
 186         uint32_t max_gmr_descriptors;
 187         uint32_t max_gmr_ids;
 188         bool has_gmr;
 189         struct mutex hw_mutex;
 190
 191         /*
 192          * VGA registers.
 193          */
 194
 195         struct vmw_vga_topology_state vga_save[VMWGFX_MAX_DISPLAYS];
 196         uint32_t vga_width;
 197         uint32_t vga_height;
 198         uint32_t vga_depth;
 199         uint32_t vga_bpp;
 200         uint32_t vga_pseudo;
 201         uint32_t vga_red_mask;
 202         uint32_t vga_green_mask;
 203         uint32_t vga_blue_mask;
 204         uint32_t vga_bpl;
 205         uint32_t vga_pitchlock;
 206
 207         uint32_t num_displays;
 208
 209         /*
 210          * Framebuffer info.
 211          */
 212
 213         void *fb_info;
 214         struct vmw_legacy_display *ldu_priv;
 215         struct vmw_overlay *overlay_priv;
 216
 217         /*
 218          * Context and surface management.
 219          */
 220
 221         rwlock_t resource_lock;
 222         struct idr context_idr;
 223         struct idr surface_idr;
 224         struct idr stream_idr;
 225
 226         /*
 227          * Block lastclose from racing with firstopen.
 228          */
 229
 230         struct mutex init_mutex;
 231
 232         /*
 233          * A resource manager for kernel-only surfaces and
 234          * contexts.
 235          */
 236
 237         struct ttm_object_device *tdev;
 238
 239         /*
 240          * Fencing and IRQs.
 241          */
 242
 243         atomic_t fence_seq;
 244         wait_queue_head_t fence_queue;
 245         wait_queue_head_t fifo_queue;
 246         atomic_t fence_queue_waiters;
 247         atomic_t fifo_queue_waiters;
 248         uint32_t last_read_sequence;
 249         spinlock_t irq_lock;
 250
 251         /*
 252          * Device state
 253          */
 254
 255         uint32_t traces_state;
 256         uint32_t enable_state;
 257         uint32_t config_done_state;
 258
 259         /**
 260          * Execbuf
 261          */
 262         /**
 263          * Protected by the cmdbuf mutex.
 264          */
 265
 266         struct vmw_sw_context ctx;
 267         struct mutex cmdbuf_mutex;
 268
 269         /**
 270          * Operating mode.
 271          */
 272
 273         bool stealth;
 274         bool is_opened;
 275         bool enable_fb;
 276
 277         /**
 278          * Master management.
 279          */
 280
 281         struct vmw_master *active_master;
 282         struct vmw_master fbdev_master;
 283         struct notifier_block pm_nb;
 284         bool suspended;
 285
 286         struct mutex release_mutex;
 287         uint32_t num_3d_resources;
 288 };
 289
 290 static inline struct vmw_private *vmw_priv(struct drm_device *dev)
 291 {
 292         return (struct vmw_private *)dev->dev_private;
 293 }
 294
 295 static inline struct vmw_fpriv *vmw_fpriv(struct drm_file *file_priv)
 296 {
 297         return (struct vmw_fpriv *)file_priv->driver_priv;
 298 }
 299
 300 static inline struct vmw_master *vmw_master(struct drm_master *master)
 301 {
 302         return (struct vmw_master *) master->driver_priv;
 303 }
 304
 305 static inline void vmw_write(struct vmw_private *dev_priv,
 306                              unsigned int offset, uint32_t value)
 307 {
 308         outl(offset, dev_priv->io_start + VMWGFX_INDEX_PORT);
 309         outl(value, dev_priv->io_start + VMWGFX_VALUE_PORT);
 310 }
 311
 312 static inline uint32_t vmw_read(struct vmw_private *dev_priv,
 313                                 unsigned int offset)
 314 {
 315         uint32_t val;
 316
 317         outl(offset, dev_priv->io_start + VMWGFX_INDEX_PORT);
 318         val = inl(dev_priv->io_start + VMWGFX_VALUE_PORT);
 319         return val;
 320 }
 321
 322 int vmw_3d_resource_inc(struct vmw_private *dev_priv);
 323 void vmw_3d_resource_dec(struct vmw_private *dev_priv);
 324
 325 /**
 326  * GMR utilities - vmwgfx_gmr.c
 327  */
 328
 329 extern int vmw_gmr_bind(struct vmw_private *dev_priv,
 330                         struct page *pages[],
 331                         unsigned long num_pages,
 332                         int gmr_id);
 333 extern void vmw_gmr_unbind(struct vmw_private *dev_priv, int gmr_id);
 334
 335 /**
 336  * Resource utilities - vmwgfx_resource.c
 337  */
 338
 339 extern struct vmw_resource *vmw_context_alloc(struct vmw_private *dev_priv);
 340 extern void vmw_resource_unreference(struct vmw_resource **p_res);
 341 extern struct vmw_resource *vmw_resource_reference(struct vmw_resource *res);
 342 extern int vmw_context_destroy_ioctl(struct drm_device *dev, void *data,
 343                                      struct drm_file *file_priv);
 344 extern int vmw_context_define_ioctl(struct drm_device *dev, void *data,
 345                                     struct drm_file *file_priv);
 346 extern int vmw_context_check(struct vmw_private *dev_priv,
 347                              struct ttm_object_file *tfile,
 348                              int id);
 349 extern void vmw_surface_res_free(struct vmw_resource *res);
 350 extern int vmw_surface_init(struct vmw_private *dev_priv,
 351                             struct vmw_surface *srf,
 352                             void (*res_free) (struct vmw_resource *res));
 353 extern int vmw_user_surface_lookup_handle(struct vmw_private *dev_priv,
 354                                           struct ttm_object_file *tfile,
 355                                           uint32_t handle,
 356                                           struct vmw_surface **out);
 357 extern int vmw_surface_destroy_ioctl(struct drm_device *dev, void *data,
 358                                      struct drm_file *file_priv);
 359 extern int vmw_surface_define_ioctl(struct drm_device *dev, void *data,
 360                                     struct drm_file *file_priv);
 361 extern int vmw_surface_reference_ioctl(struct drm_device *dev, void *data,
 362                                        struct drm_file *file_priv);
 363 extern int vmw_surface_check(struct vmw_private *dev_priv,
 364                              struct ttm_object_file *tfile,
 365                              uint32_t handle, int *id);
 366 extern void vmw_dmabuf_bo_free(struct ttm_buffer_object *bo);
 367 extern int vmw_dmabuf_init(struct vmw_private *dev_priv,
 368                            struct vmw_dma_buffer *vmw_bo,
 369                            size_t size, struct ttm_placement *placement,
 370                            bool interuptable,
 371                            void (*bo_free) (struct ttm_buffer_object *bo));
 372 extern int vmw_dmabuf_alloc_ioctl(struct drm_device *dev, void *data,
 373                                   struct drm_file *file_priv);
 374 extern int vmw_dmabuf_unref_ioctl(struct drm_device *dev, void *data,
 375                                   struct drm_file *file_priv);
 376 extern uint32_t vmw_dmabuf_validate_node(struct ttm_buffer_object *bo,
 377                                          uint32_t cur_validate_node);
 378 extern void vmw_dmabuf_validate_clear(struct ttm_buffer_object *bo);
 379 extern int vmw_user_dmabuf_lookup(struct ttm_object_file *tfile,
 380                                   uint32_t id, struct vmw_dma_buffer **out);
 381 extern int vmw_dmabuf_to_start_of_vram(struct vmw_private *vmw_priv,
 382                                        struct vmw_dma_buffer *bo);
 383 extern int vmw_dmabuf_from_vram(struct vmw_private *vmw_priv,
 384                                 struct vmw_dma_buffer *bo);
 385 extern int vmw_stream_claim_ioctl(struct drm_device *dev, void *data,
 386                                   struct drm_file *file_priv);
 387 extern int vmw_stream_unref_ioctl(struct drm_device *dev, void *data,
 388                                   struct drm_file *file_priv);
 389 extern int vmw_user_stream_lookup(struct vmw_private *dev_priv,
 390                                   struct ttm_object_file *tfile,
 391                                   uint32_t *inout_id,
 392                                   struct vmw_resource **out);
 393
 394
 395 /**
 396  * Misc Ioctl functionality - vmwgfx_ioctl.c
 397  */
 398
 399 extern int vmw_getparam_ioctl(struct drm_device *dev, void *data,
 400                               struct drm_file *file_priv);
 401 extern int vmw_fifo_debug_ioctl(struct drm_device *dev, void *data,
 402                                 struct drm_file *file_priv);
 403
 404 /**
 405  * Fifo utilities - vmwgfx_fifo.c
 406  */
 407
 408 extern int vmw_fifo_init(struct vmw_private *dev_priv,
 409                          struct vmw_fifo_state *fifo);
 410 extern void vmw_fifo_release(struct vmw_private *dev_priv,
 411                              struct vmw_fifo_state *fifo);
 412 extern void *vmw_fifo_reserve(struct vmw_private *dev_priv, uint32_t bytes);
 413 extern void vmw_fifo_commit(struct vmw_private *dev_priv, uint32_t bytes);
 414 extern int vmw_fifo_send_fence(struct vmw_private *dev_priv,
 415                                uint32_t *sequence);
 416 extern void vmw_fifo_ping_host(struct vmw_private *dev_priv, uint32_t reason);
 417 extern int vmw_fifo_mmap(struct file *filp, struct vm_area_struct *vma);
 418 extern bool vmw_fifo_have_3d(struct vmw_private *dev_priv);
 419 extern bool vmw_fifo_have_pitchlock(struct vmw_private *dev_priv);
 420
 421 /**
 422  * TTM glue - vmwgfx_ttm_glue.c
 423  */
 424
 425 extern int vmw_ttm_global_init(struct vmw_private *dev_priv);
 426 extern void vmw_ttm_global_release(struct vmw_private *dev_priv);
 427 extern int vmw_mmap(struct file *filp, struct vm_area_struct *vma);
 428
 429 /**
 430  * TTM buffer object driver - vmwgfx_buffer.c
 431  */
 432
 433 extern struct ttm_placement vmw_vram_placement;
 434 extern struct ttm_placement vmw_vram_ne_placement;
 435 extern struct ttm_placement vmw_vram_sys_placement;
 436 extern struct ttm_placement vmw_vram_gmr_placement;
 437 extern struct ttm_placement vmw_sys_placement;
 438 extern struct ttm_bo_driver vmw_bo_driver;
 439 extern int vmw_dma_quiescent(struct drm_device *dev);
 440
 441 /**
 442  * Command submission - vmwgfx_execbuf.c
 443  */
 444
 445 extern int vmw_execbuf_ioctl(struct drm_device *dev, void *data,
 446                              struct drm_file *file_priv);
 447
 448 /**
 449  * IRQs and wating - vmwgfx_irq.c
 450  */
 451
 452 extern irqreturn_t vmw_irq_handler(DRM_IRQ_ARGS);
 453 extern int vmw_wait_fence(struct vmw_private *dev_priv, bool lazy,
 454                           uint32_t sequence, bool interruptible,
 455                           unsigned long timeout);
 456 extern void vmw_irq_preinstall(struct drm_device *dev);
 457 extern int vmw_irq_postinstall(struct drm_device *dev);
 458 extern void vmw_irq_uninstall(struct drm_device *dev);
 459 extern bool vmw_fence_signaled(struct vmw_private *dev_priv,
 460                                uint32_t sequence);
 461 extern int vmw_fence_wait_ioctl(struct drm_device *dev, void *data,
 462                                 struct drm_file *file_priv);
 463 extern int vmw_fallback_wait(struct vmw_private *dev_priv,
 464                              bool lazy,
 465                              bool fifo_idle,
 466                              uint32_t sequence,
 467                              bool interruptible,
 468                              unsigned long timeout);
 469 extern void vmw_update_sequence(struct vmw_private *dev_priv,
 470                                 struct vmw_fifo_state *fifo_state);
 471
 472
 473 /**
 474  * Rudimentary fence objects currently used only for throttling -
 475  * vmwgfx_fence.c
 476  */
 477
 478 extern void vmw_fence_queue_init(struct vmw_fence_queue *queue);
 479 extern void vmw_fence_queue_takedown(struct vmw_fence_queue *queue);
 480 extern int vmw_fence_push(struct vmw_fence_queue *queue,
 481                           uint32_t sequence);
 482 extern int vmw_fence_pull(struct vmw_fence_queue *queue,
 483                           uint32_t signaled_sequence);
 484 extern int vmw_wait_lag(struct vmw_private *dev_priv,
 485                         struct vmw_fence_queue *queue, uint32_t us);
 486
 487 /**
 488  * Kernel framebuffer - vmwgfx_fb.c
 489  */
 490
 491 int vmw_fb_init(struct vmw_private *vmw_priv);
 492 int vmw_fb_close(struct vmw_private *dev_priv);
 493 int vmw_fb_off(struct vmw_private *vmw_priv);
 494 int vmw_fb_on(struct vmw_private *vmw_priv);
 495
 496 /**
 497  * Kernel modesetting - vmwgfx_kms.c
 498  */
 499
 500 int vmw_kms_init(struct vmw_private *dev_priv);
 501 int vmw_kms_close(struct vmw_private *dev_priv);
 502 int vmw_kms_save_vga(struct vmw_private *vmw_priv);
 503 int vmw_kms_restore_vga(struct vmw_private *vmw_priv);
 504 int vmw_kms_cursor_bypass_ioctl(struct drm_device *dev, void *data,
 505                                 struct drm_file *file_priv);
 506 void vmw_kms_cursor_post_execbuf(struct vmw_private *dev_priv);
 507 void vmw_kms_cursor_snoop(struct vmw_surface *srf,
 508                           struct ttm_object_file *tfile,
 509                           struct ttm_buffer_object *bo,
 510                           SVGA3dCmdHeader *header);
 511 void vmw_kms_write_svga(struct vmw_private *vmw_priv,
 512                         unsigned width, unsigned height, unsigned pitch,
 513                         unsigned bbp, unsigned depth);
 514 int vmw_kms_update_layout_ioctl(struct drm_device *dev, void *data,
 515                                 struct drm_file *file_priv);
 516 void vmw_kms_idle_workqueues(struct vmw_master *vmaster);
 517 bool vmw_kms_validate_mode_vram(struct vmw_private *dev_priv,
 518                                 uint32_t pitch,
 519                                 uint32_t height);
 520 u32 vmw_get_vblank_counter(struct drm_device *dev, int crtc);
 521
 522 /**
 523  * Overlay control - vmwgfx_overlay.c
 524  */
 525
 526 int vmw_overlay_init(struct vmw_private *dev_priv);
 527 int vmw_overlay_close(struct vmw_private *dev_priv);
 528 int vmw_overlay_ioctl(struct drm_device *dev, void *data,
 529                       struct drm_file *file_priv);
 530 int vmw_overlay_stop_all(struct vmw_private *dev_priv);
 531 int vmw_overlay_resume_all(struct vmw_private *dev_priv);
 532 int vmw_overlay_pause_all(struct vmw_private *dev_priv);
 533 int vmw_overlay_claim(struct vmw_private *dev_priv, uint32_t *out);
 534 int vmw_overlay_unref(struct vmw_private *dev_priv, uint32_t stream_id);
 535 int vmw_overlay_num_overlays(struct vmw_private *dev_priv);
 536 int vmw_overlay_num_free_overlays(struct vmw_private *dev_priv);
 537
 538 /**
 539  * GMR Id manager
 540  */
 541
 542 extern const struct ttm_mem_type_manager_func vmw_gmrid_manager_func;
 543
 544 /**
 545  * Inline helper functions
 546  */
 547
 548 static inline void vmw_surface_unreference(struct vmw_surface **srf)
 549 {
 550         struct vmw_surface *tmp_srf = *srf;
 551         struct vmw_resource *res = &tmp_srf->res;
 552         *srf = NULL;
 553
 554         vmw_resource_unreference(&res);
 555 }
 556
 557 static inline struct vmw_surface *vmw_surface_reference(struct vmw_surface *srf)
 558 {
 559         (void) vmw_resource_reference(&srf->res);
 560         return srf;
 561 }
 562
 563 static inline void vmw_dmabuf_unreference(struct vmw_dma_buffer **buf)
 564 {
 565         struct vmw_dma_buffer *tmp_buf = *buf;
 566         struct ttm_buffer_object *bo = &tmp_buf->base;
 567         *buf = NULL;
 568
 569         ttm_bo_unref(&bo);
 570 }
 571
 572 static inline struct vmw_dma_buffer *vmw_dmabuf_reference(struct vmw_dma_buffer *buf)
 573 {
 574         if (ttm_bo_reference(&buf->base))
 575                 return buf;
 576         return NULL;
 577 }
 578
 579 #endif