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 "20100209"
  43 #define VMWGFX_DRIVER_MAJOR 1
  44 #define VMWGFX_DRIVER_MINOR 2
  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 struct vmw_fpriv {
  53         struct drm_master *locked_master;
  54         struct ttm_object_file *tfile;
  55 };
  56
  57 struct vmw_dma_buffer {
  58         struct ttm_buffer_object base;
  59         struct list_head validate_list;
  60         struct list_head gmr_lru;
  61         uint32_t gmr_id;
  62         bool gmr_bound;
  63         uint32_t cur_validate_node;
  64         bool on_validate_list;
  65 };
  66
  67 struct vmw_resource {
  68         struct kref kref;
  69         struct vmw_private *dev_priv;
  70         struct idr *idr;
  71         int id;
  72         enum ttm_object_type res_type;
  73         bool avail;
  74         void (*hw_destroy) (struct vmw_resource *res);
  75         void (*res_free) (struct vmw_resource *res);
  76
  77         /* TODO is a generic snooper needed? */
  78 #if 0
  79         void (*snoop)(struct vmw_resource *res,
  80                       struct ttm_object_file *tfile,
  81                       SVGA3dCmdHeader *header);
  82         void *snoop_priv;
  83 #endif
  84 };
  85
  86 struct vmw_cursor_snooper {
  87         struct drm_crtc *crtc;
  88         size_t age;
  89         uint32_t *image;
  90 };
  91
  92 struct vmw_surface {
  93         struct vmw_resource res;
  94         uint32_t flags;
  95         uint32_t format;
  96         uint32_t mip_levels[DRM_VMW_MAX_SURFACE_FACES];
  97         struct drm_vmw_size *sizes;
  98         uint32_t num_sizes;
  99
 100         bool scanout;
 101
 102         /* TODO so far just a extra pointer */
 103         struct vmw_cursor_snooper snooper;
 104 };
 105
 106 struct vmw_fence_queue {
 107         struct list_head head;
 108         struct timespec lag;
 109         struct timespec lag_time;
 110         spinlock_t lock;
 111 };
 112
 113 struct vmw_fifo_state {
 114         unsigned long reserved_size;
 115         __le32 *dynamic_buffer;
 116         __le32 *static_buffer;
 117         __le32 *last_buffer;
 118         uint32_t last_data_size;
 119         uint32_t last_buffer_size;
 120         bool last_buffer_add;
 121         unsigned long static_buffer_size;
 122         bool using_bounce_buffer;
 123         uint32_t capabilities;
 124         struct mutex fifo_mutex;
 125         struct rw_semaphore rwsem;
 126         struct vmw_fence_queue fence_queue;
 127 };
 128
 129 struct vmw_relocation {
 130         SVGAGuestPtr *location;
 131         uint32_t index;
 132 };
 133
 134 struct vmw_sw_context{
 135         struct ida bo_list;
 136         uint32_t last_cid;
 137         bool cid_valid;
 138         uint32_t last_sid;
 139         uint32_t sid_translation;
 140         bool sid_valid;
 141         struct ttm_object_file *tfile;
 142         struct list_head validate_nodes;
 143         struct vmw_relocation relocs[VMWGFX_MAX_RELOCATIONS];
 144         uint32_t cur_reloc;
 145         struct ttm_validate_buffer val_bufs[VMWGFX_MAX_GMRS];
 146         uint32_t cur_val_buf;
 147 };
 148
 149 struct vmw_legacy_display;
 150 struct vmw_overlay;
 151
 152 struct vmw_master {
 153         struct ttm_lock lock;
 154         struct mutex fb_surf_mutex;
 155         struct list_head fb_surf;
 156 };
 157
 158 struct vmw_vga_topology_state {
 159         uint32_t width;
 160         uint32_t height;
 161         uint32_t primary;
 162         uint32_t pos_x;
 163         uint32_t pos_y;
 164 };
 165
 166 struct vmw_private {
 167         struct ttm_bo_device bdev;
 168         struct ttm_bo_global_ref bo_global_ref;
 169         struct drm_global_reference mem_global_ref;
 170
 171         struct vmw_fifo_state fifo;
 172
 173         struct drm_device *dev;
 174         unsigned long vmw_chipset;
 175         unsigned int io_start;
 176         uint32_t vram_start;
 177         uint32_t vram_size;
 178         uint32_t mmio_start;
 179         uint32_t mmio_size;
 180         uint32_t fb_max_width;
 181         uint32_t fb_max_height;
 182         __le32 __iomem *mmio_virt;
 183         int mmio_mtrr;
 184         uint32_t capabilities;
 185         uint32_t max_gmr_descriptors;
 186         uint32_t max_gmr_ids;
 187         struct mutex hw_mutex;
 188
 189         /*
 190          * VGA registers.
 191          */
 192
 193         struct vmw_vga_topology_state vga_save[VMWGFX_MAX_DISPLAYS];
 194         uint32_t vga_width;
 195         uint32_t vga_height;
 196         uint32_t vga_depth;
 197         uint32_t vga_bpp;
 198         uint32_t vga_pseudo;
 199         uint32_t vga_red_mask;
 200         uint32_t vga_green_mask;
 201         uint32_t vga_blue_mask;
 202         uint32_t vga_bpl;
 203         uint32_t vga_pitchlock;
 204
 205         uint32_t num_displays;
 206
 207         /*
 208          * Framebuffer info.
 209          */
 210
 211         void *fb_info;
 212         struct vmw_legacy_display *ldu_priv;
 213         struct vmw_overlay *overlay_priv;
 214
 215         /*
 216          * Context and surface management.
 217          */
 218
 219         rwlock_t resource_lock;
 220         struct idr context_idr;
 221         struct idr surface_idr;
 222         struct idr stream_idr;
 223
 224         /*
 225          * Block lastclose from racing with firstopen.
 226          */
 227
 228         struct mutex init_mutex;
 229
 230         /*
 231          * A resource manager for kernel-only surfaces and
 232          * contexts.
 233          */
 234
 235         struct ttm_object_device *tdev;
 236
 237         /*
 238          * Fencing and IRQs.
 239          */
 240
 241         atomic_t fence_seq;
 242         wait_queue_head_t fence_queue;
 243         wait_queue_head_t fifo_queue;
 244         atomic_t fence_queue_waiters;
 245         atomic_t fifo_queue_waiters;
 246         uint32_t last_read_sequence;
 247         spinlock_t irq_lock;
 248
 249         /*
 250          * Device state
 251          */
 252
 253         uint32_t traces_state;
 254         uint32_t enable_state;
 255         uint32_t config_done_state;
 256
 257         /**
 258          * Execbuf
 259          */
 260         /**
 261          * Protected by the cmdbuf mutex.
 262          */
 263
 264         struct vmw_sw_context ctx;
 265         uint32_t val_seq;
 266         struct mutex cmdbuf_mutex;
 267
 268         /**
 269          * GMR management. Protected by the lru spinlock.
 270          */
 271
 272         struct ida gmr_ida;
 273         struct list_head gmr_lru;
 274
 275
 276         /**
 277          * Operating mode.
 278          */
 279
 280         bool stealth;
 281         bool is_opened;
 282         bool enable_fb;
 283
 284         /**
 285          * Master management.
 286          */
 287
 288         struct vmw_master *active_master;
 289         struct vmw_master fbdev_master;
 290         struct notifier_block pm_nb;
 291         bool suspended;
 292
 293         struct mutex release_mutex;
 294         uint32_t num_3d_resources;
 295 };
 296
 297 static inline struct vmw_private *vmw_priv(struct drm_device *dev)
 298 {
 299         return (struct vmw_private *)dev->dev_private;
 300 }
 301
 302 static inline struct vmw_fpriv *vmw_fpriv(struct drm_file *file_priv)
 303 {
 304         return (struct vmw_fpriv *)file_priv->driver_priv;
 305 }
 306
 307 static inline struct vmw_master *vmw_master(struct drm_master *master)
 308 {
 309         return (struct vmw_master *) master->driver_priv;
 310 }
 311
 312 static inline void vmw_write(struct vmw_private *dev_priv,
 313                              unsigned int offset, uint32_t value)
 314 {
 315         outl(offset, dev_priv->io_start + VMWGFX_INDEX_PORT);
 316         outl(value, dev_priv->io_start + VMWGFX_VALUE_PORT);
 317 }
 318
 319 static inline uint32_t vmw_read(struct vmw_private *dev_priv,
 320                                 unsigned int offset)
 321 {
 322         uint32_t val;
 323
 324         outl(offset, dev_priv->io_start + VMWGFX_INDEX_PORT);
 325         val = inl(dev_priv->io_start + VMWGFX_VALUE_PORT);
 326         return val;
 327 }
 328
 329 int vmw_3d_resource_inc(struct vmw_private *dev_priv);
 330 void vmw_3d_resource_dec(struct vmw_private *dev_priv);
 331
 332 /**
 333  * GMR utilities - vmwgfx_gmr.c
 334  */
 335
 336 extern int vmw_gmr_bind(struct vmw_private *dev_priv,
 337                         struct ttm_buffer_object *bo);
 338 extern void vmw_gmr_unbind(struct vmw_private *dev_priv, int gmr_id);
 339
 340 /**
 341  * Resource utilities - vmwgfx_resource.c
 342  */
 343
 344 extern struct vmw_resource *vmw_context_alloc(struct vmw_private *dev_priv);
 345 extern void vmw_resource_unreference(struct vmw_resource **p_res);
 346 extern struct vmw_resource *vmw_resource_reference(struct vmw_resource *res);
 347 extern int vmw_context_destroy_ioctl(struct drm_device *dev, void *data,
 348                                      struct drm_file *file_priv);
 349 extern int vmw_context_define_ioctl(struct drm_device *dev, void *data,
 350                                     struct drm_file *file_priv);
 351 extern int vmw_context_check(struct vmw_private *dev_priv,
 352                              struct ttm_object_file *tfile,
 353                              int id);
 354 extern void vmw_surface_res_free(struct vmw_resource *res);
 355 extern int vmw_surface_init(struct vmw_private *dev_priv,
 356                             struct vmw_surface *srf,
 357                             void (*res_free) (struct vmw_resource *res));
 358 extern int vmw_user_surface_lookup_handle(struct vmw_private *dev_priv,
 359                                           struct ttm_object_file *tfile,
 360                                           uint32_t handle,
 361                                           struct vmw_surface **out);
 362 extern int vmw_surface_destroy_ioctl(struct drm_device *dev, void *data,
 363                                      struct drm_file *file_priv);
 364 extern int vmw_surface_define_ioctl(struct drm_device *dev, void *data,
 365                                     struct drm_file *file_priv);
 366 extern int vmw_surface_reference_ioctl(struct drm_device *dev, void *data,
 367                                        struct drm_file *file_priv);
 368 extern int vmw_surface_check(struct vmw_private *dev_priv,
 369                              struct ttm_object_file *tfile,
 370                              uint32_t handle, int *id);
 371 extern void vmw_dmabuf_bo_free(struct ttm_buffer_object *bo);
 372 extern int vmw_dmabuf_init(struct vmw_private *dev_priv,
 373                            struct vmw_dma_buffer *vmw_bo,
 374                            size_t size, struct ttm_placement *placement,
 375                            bool interuptable,
 376                            void (*bo_free) (struct ttm_buffer_object *bo));
 377 extern int vmw_dmabuf_alloc_ioctl(struct drm_device *dev, void *data,
 378                                   struct drm_file *file_priv);
 379 extern int vmw_dmabuf_unref_ioctl(struct drm_device *dev, void *data,
 380                                   struct drm_file *file_priv);
 381 extern uint32_t vmw_dmabuf_validate_node(struct ttm_buffer_object *bo,
 382                                          uint32_t cur_validate_node);
 383 extern void vmw_dmabuf_validate_clear(struct ttm_buffer_object *bo);
 384 extern int vmw_user_dmabuf_lookup(struct ttm_object_file *tfile,
 385                                   uint32_t id, struct vmw_dma_buffer **out);
 386 extern uint32_t vmw_dmabuf_gmr(struct ttm_buffer_object *bo);
 387 extern void vmw_dmabuf_set_gmr(struct ttm_buffer_object *bo, uint32_t id);
 388 extern int vmw_gmr_id_alloc(struct vmw_private *dev_priv, uint32_t *p_id);
 389 extern int vmw_dmabuf_to_start_of_vram(struct vmw_private *vmw_priv,
 390                                        struct vmw_dma_buffer *bo);
 391 extern int vmw_dmabuf_from_vram(struct vmw_private *vmw_priv,
 392                                 struct vmw_dma_buffer *bo);
 393 extern void vmw_dmabuf_gmr_unbind(struct ttm_buffer_object *bo);
 394 extern int vmw_stream_claim_ioctl(struct drm_device *dev, void *data,
 395                                   struct drm_file *file_priv);
 396 extern int vmw_stream_unref_ioctl(struct drm_device *dev, void *data,
 397                                   struct drm_file *file_priv);
 398 extern int vmw_user_stream_lookup(struct vmw_private *dev_priv,
 399                                   struct ttm_object_file *tfile,
 400                                   uint32_t *inout_id,
 401                                   struct vmw_resource **out);
 402
 403
 404 /**
 405  * Misc Ioctl functionality - vmwgfx_ioctl.c
 406  */
 407
 408 extern int vmw_getparam_ioctl(struct drm_device *dev, void *data,
 409                               struct drm_file *file_priv);
 410 extern int vmw_fifo_debug_ioctl(struct drm_device *dev, void *data,
 411                                 struct drm_file *file_priv);
 412
 413 /**
 414  * Fifo utilities - vmwgfx_fifo.c
 415  */
 416
 417 extern int vmw_fifo_init(struct vmw_private *dev_priv,
 418                          struct vmw_fifo_state *fifo);
 419 extern void vmw_fifo_release(struct vmw_private *dev_priv,
 420                              struct vmw_fifo_state *fifo);
 421 extern void *vmw_fifo_reserve(struct vmw_private *dev_priv, uint32_t bytes);
 422 extern void vmw_fifo_commit(struct vmw_private *dev_priv, uint32_t bytes);
 423 extern int vmw_fifo_send_fence(struct vmw_private *dev_priv,
 424                                uint32_t *sequence);
 425 extern void vmw_fifo_ping_host(struct vmw_private *dev_priv, uint32_t reason);
 426 extern int vmw_fifo_mmap(struct file *filp, struct vm_area_struct *vma);
 427 extern bool vmw_fifo_have_3d(struct vmw_private *dev_priv);
 428 extern bool vmw_fifo_have_pitchlock(struct vmw_private *dev_priv);
 429
 430 /**
 431  * TTM glue - vmwgfx_ttm_glue.c
 432  */
 433
 434 extern int vmw_ttm_global_init(struct vmw_private *dev_priv);
 435 extern void vmw_ttm_global_release(struct vmw_private *dev_priv);
 436 extern int vmw_mmap(struct file *filp, struct vm_area_struct *vma);
 437
 438 /**
 439  * TTM buffer object driver - vmwgfx_buffer.c
 440  */
 441
 442 extern struct ttm_placement vmw_vram_placement;
 443 extern struct ttm_placement vmw_vram_ne_placement;
 444 extern struct ttm_placement vmw_vram_sys_placement;
 445 extern struct ttm_placement vmw_sys_placement;
 446 extern struct ttm_bo_driver vmw_bo_driver;
 447 extern int vmw_dma_quiescent(struct drm_device *dev);
 448
 449 /**
 450  * Command submission - vmwgfx_execbuf.c
 451  */
 452
 453 extern int vmw_execbuf_ioctl(struct drm_device *dev, void *data,
 454                              struct drm_file *file_priv);
 455
 456 /**
 457  * IRQs and wating - vmwgfx_irq.c
 458  */
 459
 460 extern irqreturn_t vmw_irq_handler(DRM_IRQ_ARGS);
 461 extern int vmw_wait_fence(struct vmw_private *dev_priv, bool lazy,
 462                           uint32_t sequence, bool interruptible,
 463                           unsigned long timeout);
 464 extern void vmw_irq_preinstall(struct drm_device *dev);
 465 extern int vmw_irq_postinstall(struct drm_device *dev);
 466 extern void vmw_irq_uninstall(struct drm_device *dev);
 467 extern bool vmw_fence_signaled(struct vmw_private *dev_priv,
 468                                uint32_t sequence);
 469 extern int vmw_fence_wait_ioctl(struct drm_device *dev, void *data,
 470                                 struct drm_file *file_priv);
 471 extern int vmw_fallback_wait(struct vmw_private *dev_priv,
 472                              bool lazy,
 473                              bool fifo_idle,
 474                              uint32_t sequence,
 475                              bool interruptible,
 476                              unsigned long timeout);
 477 extern void vmw_update_sequence(struct vmw_private *dev_priv,
 478                                 struct vmw_fifo_state *fifo_state);
 479
 480
 481 /**
 482  * Rudimentary fence objects currently used only for throttling -
 483  * vmwgfx_fence.c
 484  */
 485
 486 extern void vmw_fence_queue_init(struct vmw_fence_queue *queue);
 487 extern void vmw_fence_queue_takedown(struct vmw_fence_queue *queue);
 488 extern int vmw_fence_push(struct vmw_fence_queue *queue,
 489                           uint32_t sequence);
 490 extern int vmw_fence_pull(struct vmw_fence_queue *queue,
 491                           uint32_t signaled_sequence);
 492 extern int vmw_wait_lag(struct vmw_private *dev_priv,
 493                         struct vmw_fence_queue *queue, uint32_t us);
 494
 495 /**
 496  * Kernel framebuffer - vmwgfx_fb.c
 497  */
 498
 499 int vmw_fb_init(struct vmw_private *vmw_priv);
 500 int vmw_fb_close(struct vmw_private *dev_priv);
 501 int vmw_fb_off(struct vmw_private *vmw_priv);
 502 int vmw_fb_on(struct vmw_private *vmw_priv);
 503
 504 /**
 505  * Kernel modesetting - vmwgfx_kms.c
 506  */
 507
 508 int vmw_kms_init(struct vmw_private *dev_priv);
 509 int vmw_kms_close(struct vmw_private *dev_priv);
 510 int vmw_kms_save_vga(struct vmw_private *vmw_priv);
 511 int vmw_kms_restore_vga(struct vmw_private *vmw_priv);
 512 int vmw_kms_cursor_bypass_ioctl(struct drm_device *dev, void *data,
 513                                 struct drm_file *file_priv);
 514 void vmw_kms_cursor_post_execbuf(struct vmw_private *dev_priv);
 515 void vmw_kms_cursor_snoop(struct vmw_surface *srf,
 516                           struct ttm_object_file *tfile,
 517                           struct ttm_buffer_object *bo,
 518                           SVGA3dCmdHeader *header);
 519 void vmw_kms_write_svga(struct vmw_private *vmw_priv,
 520                         unsigned width, unsigned height, unsigned pitch,
 521                         unsigned bbp, unsigned depth);
 522 int vmw_kms_update_layout_ioctl(struct drm_device *dev, void *data,
 523                                 struct drm_file *file_priv);
 524 void vmw_kms_idle_workqueues(struct vmw_master *vmaster);
 525 bool vmw_kms_validate_mode_vram(struct vmw_private *dev_priv,
 526                                 uint32_t pitch,
 527                                 uint32_t height);
 528 u32 vmw_get_vblank_counter(struct drm_device *dev, int crtc);
 529
 530 /**
 531  * Overlay control - vmwgfx_overlay.c
 532  */
 533
 534 int vmw_overlay_init(struct vmw_private *dev_priv);
 535 int vmw_overlay_close(struct vmw_private *dev_priv);
 536 int vmw_overlay_ioctl(struct drm_device *dev, void *data,
 537                       struct drm_file *file_priv);
 538 int vmw_overlay_stop_all(struct vmw_private *dev_priv);
 539 int vmw_overlay_resume_all(struct vmw_private *dev_priv);
 540 int vmw_overlay_pause_all(struct vmw_private *dev_priv);
 541 int vmw_overlay_claim(struct vmw_private *dev_priv, uint32_t *out);
 542 int vmw_overlay_unref(struct vmw_private *dev_priv, uint32_t stream_id);
 543 int vmw_overlay_num_overlays(struct vmw_private *dev_priv);
 544 int vmw_overlay_num_free_overlays(struct vmw_private *dev_priv);
 545
 546 /**
 547  * Inline helper functions
 548  */
 549
 550 static inline void vmw_surface_unreference(struct vmw_surface **srf)
 551 {
 552         struct vmw_surface *tmp_srf = *srf;
 553         struct vmw_resource *res = &tmp_srf->res;
 554         *srf = NULL;
 555
 556         vmw_resource_unreference(&res);
 557 }
 558
 559 static inline struct vmw_surface *vmw_surface_reference(struct vmw_surface *srf)
 560 {
 561         (void) vmw_resource_reference(&srf->res);
 562         return srf;
 563 }
 564
 565 static inline void vmw_dmabuf_unreference(struct vmw_dma_buffer **buf)
 566 {
 567         struct vmw_dma_buffer *tmp_buf = *buf;
 568         struct ttm_buffer_object *bo = &tmp_buf->base;
 569         *buf = NULL;
 570
 571         ttm_bo_unref(&bo);
 572 }
 573
 574 static inline struct vmw_dma_buffer *vmw_dmabuf_reference(struct vmw_dma_buffer *buf)
 575 {
 576         if (ttm_bo_reference(&buf->base))
 577                 return buf;
 578         return NULL;
 579 }
 580
 581 #endif