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 };
 155
 156 struct vmw_vga_topology_state {
 157         uint32_t width;
 158         uint32_t height;
 159         uint32_t primary;
 160         uint32_t pos_x;
 161         uint32_t pos_y;
 162 };
 163
 164 struct vmw_private {
 165         struct ttm_bo_device bdev;
 166         struct ttm_bo_global_ref bo_global_ref;
 167         struct ttm_global_reference mem_global_ref;
 168
 169         struct vmw_fifo_state fifo;
 170
 171         struct drm_device *dev;
 172         unsigned long vmw_chipset;
 173         unsigned int io_start;
 174         uint32_t vram_start;
 175         uint32_t vram_size;
 176         uint32_t mmio_start;
 177         uint32_t mmio_size;
 178         uint32_t fb_max_width;
 179         uint32_t fb_max_height;
 180         __le32 __iomem *mmio_virt;
 181         int mmio_mtrr;
 182         uint32_t capabilities;
 183         uint32_t max_gmr_descriptors;
 184         uint32_t max_gmr_ids;
 185         struct mutex hw_mutex;
 186
 187         /*
 188          * VGA registers.
 189          */
 190
 191         struct vmw_vga_topology_state vga_save[VMWGFX_MAX_DISPLAYS];
 192         uint32_t vga_width;
 193         uint32_t vga_height;
 194         uint32_t vga_depth;
 195         uint32_t vga_bpp;
 196         uint32_t vga_pseudo;
 197         uint32_t vga_red_mask;
 198         uint32_t vga_green_mask;
 199         uint32_t vga_blue_mask;
 200         uint32_t vga_bpl;
 201         uint32_t vga_pitchlock;
 202
 203         uint32_t num_displays;
 204
 205         /*
 206          * Framebuffer info.
 207          */
 208
 209         void *fb_info;
 210         struct vmw_legacy_display *ldu_priv;
 211         struct vmw_overlay *overlay_priv;
 212
 213         /*
 214          * Context and surface management.
 215          */
 216
 217         rwlock_t resource_lock;
 218         struct idr context_idr;
 219         struct idr surface_idr;
 220         struct idr stream_idr;
 221
 222         /*
 223          * Block lastclose from racing with firstopen.
 224          */
 225
 226         struct mutex init_mutex;
 227
 228         /*
 229          * A resource manager for kernel-only surfaces and
 230          * contexts.
 231          */
 232
 233         struct ttm_object_device *tdev;
 234
 235         /*
 236          * Fencing and IRQs.
 237          */
 238
 239         atomic_t fence_seq;
 240         wait_queue_head_t fence_queue;
 241         wait_queue_head_t fifo_queue;
 242         atomic_t fence_queue_waiters;
 243         atomic_t fifo_queue_waiters;
 244         uint32_t last_read_sequence;
 245         spinlock_t irq_lock;
 246
 247         /*
 248          * Device state
 249          */
 250
 251         uint32_t traces_state;
 252         uint32_t enable_state;
 253         uint32_t config_done_state;
 254
 255         /**
 256          * Execbuf
 257          */
 258         /**
 259          * Protected by the cmdbuf mutex.
 260          */
 261
 262         struct vmw_sw_context ctx;
 263         uint32_t val_seq;
 264         struct mutex cmdbuf_mutex;
 265
 266         /**
 267          * GMR management. Protected by the lru spinlock.
 268          */
 269
 270         struct ida gmr_ida;
 271         struct list_head gmr_lru;
 272
 273
 274         /**
 275          * Operating mode.
 276          */
 277
 278         bool stealth;
 279         bool is_opened;
 280
 281         /**
 282          * Master management.
 283          */
 284
 285         struct vmw_master *active_master;
 286         struct vmw_master fbdev_master;
 287         struct notifier_block pm_nb;
 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 /**
 323  * GMR utilities - vmwgfx_gmr.c
 324  */
 325
 326 extern int vmw_gmr_bind(struct vmw_private *dev_priv,
 327                         struct ttm_buffer_object *bo);
 328 extern void vmw_gmr_unbind(struct vmw_private *dev_priv, int gmr_id);
 329
 330 /**
 331  * Resource utilities - vmwgfx_resource.c
 332  */
 333
 334 extern struct vmw_resource *vmw_context_alloc(struct vmw_private *dev_priv);
 335 extern void vmw_resource_unreference(struct vmw_resource **p_res);
 336 extern struct vmw_resource *vmw_resource_reference(struct vmw_resource *res);
 337 extern int vmw_context_destroy_ioctl(struct drm_device *dev, void *data,
 338                                      struct drm_file *file_priv);
 339 extern int vmw_context_define_ioctl(struct drm_device *dev, void *data,
 340                                     struct drm_file *file_priv);
 341 extern int vmw_context_check(struct vmw_private *dev_priv,
 342                              struct ttm_object_file *tfile,
 343                              int id);
 344 extern void vmw_surface_res_free(struct vmw_resource *res);
 345 extern int vmw_surface_init(struct vmw_private *dev_priv,
 346                             struct vmw_surface *srf,
 347                             void (*res_free) (struct vmw_resource *res));
 348 extern int vmw_user_surface_lookup_handle(struct vmw_private *dev_priv,
 349                                           struct ttm_object_file *tfile,
 350                                           uint32_t handle,
 351                                           struct vmw_surface **out);
 352 extern int vmw_surface_destroy_ioctl(struct drm_device *dev, void *data,
 353                                      struct drm_file *file_priv);
 354 extern int vmw_surface_define_ioctl(struct drm_device *dev, void *data,
 355                                     struct drm_file *file_priv);
 356 extern int vmw_surface_reference_ioctl(struct drm_device *dev, void *data,
 357                                        struct drm_file *file_priv);
 358 extern int vmw_surface_check(struct vmw_private *dev_priv,
 359                              struct ttm_object_file *tfile,
 360                              uint32_t handle, int *id);
 361 extern void vmw_dmabuf_bo_free(struct ttm_buffer_object *bo);
 362 extern int vmw_dmabuf_init(struct vmw_private *dev_priv,
 363                            struct vmw_dma_buffer *vmw_bo,
 364                            size_t size, struct ttm_placement *placement,
 365                            bool interuptable,
 366                            void (*bo_free) (struct ttm_buffer_object *bo));
 367 extern int vmw_dmabuf_alloc_ioctl(struct drm_device *dev, void *data,
 368                                   struct drm_file *file_priv);
 369 extern int vmw_dmabuf_unref_ioctl(struct drm_device *dev, void *data,
 370                                   struct drm_file *file_priv);
 371 extern uint32_t vmw_dmabuf_validate_node(struct ttm_buffer_object *bo,
 372                                          uint32_t cur_validate_node);
 373 extern void vmw_dmabuf_validate_clear(struct ttm_buffer_object *bo);
 374 extern int vmw_user_dmabuf_lookup(struct ttm_object_file *tfile,
 375                                   uint32_t id, struct vmw_dma_buffer **out);
 376 extern uint32_t vmw_dmabuf_gmr(struct ttm_buffer_object *bo);
 377 extern void vmw_dmabuf_set_gmr(struct ttm_buffer_object *bo, uint32_t id);
 378 extern int vmw_gmr_id_alloc(struct vmw_private *dev_priv, uint32_t *p_id);
 379 extern int vmw_dmabuf_to_start_of_vram(struct vmw_private *vmw_priv,
 380                                        struct vmw_dma_buffer *bo);
 381 extern int vmw_dmabuf_from_vram(struct vmw_private *vmw_priv,
 382                                 struct vmw_dma_buffer *bo);
 383 extern void vmw_dmabuf_gmr_unbind(struct ttm_buffer_object *bo);
 384 extern int vmw_stream_claim_ioctl(struct drm_device *dev, void *data,
 385                                   struct drm_file *file_priv);
 386 extern int vmw_stream_unref_ioctl(struct drm_device *dev, void *data,
 387                                   struct drm_file *file_priv);
 388 extern int vmw_user_stream_lookup(struct vmw_private *dev_priv,
 389                                   struct ttm_object_file *tfile,
 390                                   uint32_t *inout_id,
 391                                   struct vmw_resource **out);
 392
 393
 394 /**
 395  * Misc Ioctl functionality - vmwgfx_ioctl.c
 396  */
 397
 398 extern int vmw_getparam_ioctl(struct drm_device *dev, void *data,
 399                               struct drm_file *file_priv);
 400 extern int vmw_fifo_debug_ioctl(struct drm_device *dev, void *data,
 401                                 struct drm_file *file_priv);
 402
 403 /**
 404  * Fifo utilities - vmwgfx_fifo.c
 405  */
 406
 407 extern int vmw_fifo_init(struct vmw_private *dev_priv,
 408                          struct vmw_fifo_state *fifo);
 409 extern void vmw_fifo_release(struct vmw_private *dev_priv,
 410                              struct vmw_fifo_state *fifo);
 411 extern void *vmw_fifo_reserve(struct vmw_private *dev_priv, uint32_t bytes);
 412 extern void vmw_fifo_commit(struct vmw_private *dev_priv, uint32_t bytes);
 413 extern int vmw_fifo_send_fence(struct vmw_private *dev_priv,
 414                                uint32_t *sequence);
 415 extern void vmw_fifo_ping_host(struct vmw_private *dev_priv, uint32_t reason);
 416 extern int vmw_fifo_mmap(struct file *filp, struct vm_area_struct *vma);
 417 extern bool vmw_fifo_have_3d(struct vmw_private *dev_priv);
 418 extern bool vmw_fifo_have_pitchlock(struct vmw_private *dev_priv);
 419
 420 /**
 421  * TTM glue - vmwgfx_ttm_glue.c
 422  */
 423
 424 extern int vmw_ttm_global_init(struct vmw_private *dev_priv);
 425 extern void vmw_ttm_global_release(struct vmw_private *dev_priv);
 426 extern int vmw_mmap(struct file *filp, struct vm_area_struct *vma);
 427
 428 /**
 429  * TTM buffer object driver - vmwgfx_buffer.c
 430  */
 431
 432 extern struct ttm_placement vmw_vram_placement;
 433 extern struct ttm_placement vmw_vram_ne_placement;
 434 extern struct ttm_placement vmw_vram_sys_placement;
 435 extern struct ttm_placement vmw_sys_placement;
 436 extern struct ttm_bo_driver vmw_bo_driver;
 437 extern int vmw_dma_quiescent(struct drm_device *dev);
 438
 439 /**
 440  * Command submission - vmwgfx_execbuf.c
 441  */
 442
 443 extern int vmw_execbuf_ioctl(struct drm_device *dev, void *data,
 444                              struct drm_file *file_priv);
 445
 446 /**
 447  * IRQs and wating - vmwgfx_irq.c
 448  */
 449
 450 extern irqreturn_t vmw_irq_handler(DRM_IRQ_ARGS);
 451 extern int vmw_wait_fence(struct vmw_private *dev_priv, bool lazy,
 452                           uint32_t sequence, bool interruptible,
 453                           unsigned long timeout);
 454 extern void vmw_irq_preinstall(struct drm_device *dev);
 455 extern int vmw_irq_postinstall(struct drm_device *dev);
 456 extern void vmw_irq_uninstall(struct drm_device *dev);
 457 extern bool vmw_fence_signaled(struct vmw_private *dev_priv,
 458                                uint32_t sequence);
 459 extern int vmw_fence_wait_ioctl(struct drm_device *dev, void *data,
 460                                 struct drm_file *file_priv);
 461 extern int vmw_fallback_wait(struct vmw_private *dev_priv,
 462                              bool lazy,
 463                              bool fifo_idle,
 464                              uint32_t sequence,
 465                              bool interruptible,
 466                              unsigned long timeout);
 467 extern void vmw_update_sequence(struct vmw_private *dev_priv,
 468                                 struct vmw_fifo_state *fifo_state);
 469
 470
 471 /**
 472  * Rudimentary fence objects currently used only for throttling -
 473  * vmwgfx_fence.c
 474  */
 475
 476 extern void vmw_fence_queue_init(struct vmw_fence_queue *queue);
 477 extern void vmw_fence_queue_takedown(struct vmw_fence_queue *queue);
 478 extern int vmw_fence_push(struct vmw_fence_queue *queue,
 479                           uint32_t sequence);
 480 extern int vmw_fence_pull(struct vmw_fence_queue *queue,
 481                           uint32_t signaled_sequence);
 482 extern int vmw_wait_lag(struct vmw_private *dev_priv,
 483                         struct vmw_fence_queue *queue, uint32_t us);
 484
 485 /**
 486  * Kernel framebuffer - vmwgfx_fb.c
 487  */
 488
 489 int vmw_fb_init(struct vmw_private *vmw_priv);
 490 int vmw_fb_close(struct vmw_private *dev_priv);
 491 int vmw_fb_off(struct vmw_private *vmw_priv);
 492 int vmw_fb_on(struct vmw_private *vmw_priv);
 493
 494 /**
 495  * Kernel modesetting - vmwgfx_kms.c
 496  */
 497
 498 int vmw_kms_init(struct vmw_private *dev_priv);
 499 int vmw_kms_close(struct vmw_private *dev_priv);
 500 int vmw_kms_save_vga(struct vmw_private *vmw_priv);
 501 int vmw_kms_restore_vga(struct vmw_private *vmw_priv);
 502 int vmw_kms_cursor_bypass_ioctl(struct drm_device *dev, void *data,
 503                                 struct drm_file *file_priv);
 504 void vmw_kms_cursor_post_execbuf(struct vmw_private *dev_priv);
 505 void vmw_kms_cursor_snoop(struct vmw_surface *srf,
 506                           struct ttm_object_file *tfile,
 507                           struct ttm_buffer_object *bo,
 508                           SVGA3dCmdHeader *header);
 509 void vmw_kms_write_svga(struct vmw_private *vmw_priv,
 510                         unsigned width, unsigned height, unsigned pitch,
 511                         unsigned bbp, unsigned depth);
 512 int vmw_kms_update_layout_ioctl(struct drm_device *dev, void *data,
 513                                 struct drm_file *file_priv);
 514
 515 /**
 516  * Overlay control - vmwgfx_overlay.c
 517  */
 518
 519 int vmw_overlay_init(struct vmw_private *dev_priv);
 520 int vmw_overlay_close(struct vmw_private *dev_priv);
 521 int vmw_overlay_ioctl(struct drm_device *dev, void *data,
 522                       struct drm_file *file_priv);
 523 int vmw_overlay_stop_all(struct vmw_private *dev_priv);
 524 int vmw_overlay_resume_all(struct vmw_private *dev_priv);
 525 int vmw_overlay_pause_all(struct vmw_private *dev_priv);
 526 int vmw_overlay_claim(struct vmw_private *dev_priv, uint32_t *out);
 527 int vmw_overlay_unref(struct vmw_private *dev_priv, uint32_t stream_id);
 528 int vmw_overlay_num_overlays(struct vmw_private *dev_priv);
 529 int vmw_overlay_num_free_overlays(struct vmw_private *dev_priv);
 530
 531 /**
 532  * Inline helper functions
 533  */
 534
 535 static inline void vmw_surface_unreference(struct vmw_surface **srf)
 536 {
 537         struct vmw_surface *tmp_srf = *srf;
 538         struct vmw_resource *res = &tmp_srf->res;
 539         *srf = NULL;
 540
 541         vmw_resource_unreference(&res);
 542 }
 543
 544 static inline struct vmw_surface *vmw_surface_reference(struct vmw_surface *srf)
 545 {
 546         (void) vmw_resource_reference(&srf->res);
 547         return srf;
 548 }
 549
 550 static inline void vmw_dmabuf_unreference(struct vmw_dma_buffer **buf)
 551 {
 552         struct vmw_dma_buffer *tmp_buf = *buf;
 553         struct ttm_buffer_object *bo = &tmp_buf->base;
 554         *buf = NULL;
 555
 556         ttm_bo_unref(&bo);
 557 }
 558
 559 static inline struct vmw_dma_buffer *vmw_dmabuf_reference(struct vmw_dma_buffer *buf)
 560 {
 561         if (ttm_bo_reference(&buf->base))
 562                 return buf;
 563         return NULL;
 564 }
 565
 566 #endif