Merge branch 'fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
[linux-2.6.git] / 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 "20111025"
44 #define VMWGFX_DRIVER_MAJOR 2
45 #define VMWGFX_DRIVER_MINOR 3
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         int goal_queue_waiters; /* Protected by hw_mutex */
268         atomic_t fifo_queue_waiters;
269         uint32_t last_read_seqno;
270         spinlock_t irq_lock;
271         struct vmw_fence_manager *fman;
272         uint32_t irq_mask;
273
274         /*
275          * Device state
276          */
277
278         uint32_t traces_state;
279         uint32_t enable_state;
280         uint32_t config_done_state;
281
282         /**
283          * Execbuf
284          */
285         /**
286          * Protected by the cmdbuf mutex.
287          */
288
289         struct vmw_sw_context ctx;
290         struct mutex cmdbuf_mutex;
291
292         /**
293          * Operating mode.
294          */
295
296         bool stealth;
297         bool is_opened;
298         bool enable_fb;
299
300         /**
301          * Master management.
302          */
303
304         struct vmw_master *active_master;
305         struct vmw_master fbdev_master;
306         struct notifier_block pm_nb;
307         bool suspended;
308
309         struct mutex release_mutex;
310         uint32_t num_3d_resources;
311
312         /*
313          * Query processing. These members
314          * are protected by the cmdbuf mutex.
315          */
316
317         struct ttm_buffer_object *dummy_query_bo;
318         struct ttm_buffer_object *pinned_bo;
319         uint32_t query_cid;
320         bool dummy_query_bo_pinned;
321
322         /*
323          * Surface swapping. The "surface_lru" list is protected by the
324          * resource lock in order to be able to destroy a surface and take
325          * it off the lru atomically. "used_memory_size" is currently
326          * protected by the cmdbuf mutex for simplicity.
327          */
328
329         struct list_head surface_lru;
330         uint32_t used_memory_size;
331 };
332
333 static inline struct vmw_private *vmw_priv(struct drm_device *dev)
334 {
335         return (struct vmw_private *)dev->dev_private;
336 }
337
338 static inline struct vmw_fpriv *vmw_fpriv(struct drm_file *file_priv)
339 {
340         return (struct vmw_fpriv *)file_priv->driver_priv;
341 }
342
343 static inline struct vmw_master *vmw_master(struct drm_master *master)
344 {
345         return (struct vmw_master *) master->driver_priv;
346 }
347
348 static inline void vmw_write(struct vmw_private *dev_priv,
349                              unsigned int offset, uint32_t value)
350 {
351         outl(offset, dev_priv->io_start + VMWGFX_INDEX_PORT);
352         outl(value, dev_priv->io_start + VMWGFX_VALUE_PORT);
353 }
354
355 static inline uint32_t vmw_read(struct vmw_private *dev_priv,
356                                 unsigned int offset)
357 {
358         uint32_t val;
359
360         outl(offset, dev_priv->io_start + VMWGFX_INDEX_PORT);
361         val = inl(dev_priv->io_start + VMWGFX_VALUE_PORT);
362         return val;
363 }
364
365 int vmw_3d_resource_inc(struct vmw_private *dev_priv, bool unhide_svga);
366 void vmw_3d_resource_dec(struct vmw_private *dev_priv, bool hide_svga);
367
368 /**
369  * GMR utilities - vmwgfx_gmr.c
370  */
371
372 extern int vmw_gmr_bind(struct vmw_private *dev_priv,
373                         struct page *pages[],
374                         unsigned long num_pages,
375                         int gmr_id);
376 extern void vmw_gmr_unbind(struct vmw_private *dev_priv, int gmr_id);
377
378 /**
379  * Resource utilities - vmwgfx_resource.c
380  */
381
382 extern struct vmw_resource *vmw_context_alloc(struct vmw_private *dev_priv);
383 extern void vmw_resource_unreference(struct vmw_resource **p_res);
384 extern struct vmw_resource *vmw_resource_reference(struct vmw_resource *res);
385 extern int vmw_context_destroy_ioctl(struct drm_device *dev, void *data,
386                                      struct drm_file *file_priv);
387 extern int vmw_context_define_ioctl(struct drm_device *dev, void *data,
388                                     struct drm_file *file_priv);
389 extern int vmw_context_check(struct vmw_private *dev_priv,
390                              struct ttm_object_file *tfile,
391                              int id,
392                              struct vmw_resource **p_res);
393 extern int vmw_user_lookup_handle(struct vmw_private *dev_priv,
394                                   struct ttm_object_file *tfile,
395                                   uint32_t handle,
396                                   struct vmw_surface **out_surf,
397                                   struct vmw_dma_buffer **out_buf);
398 extern void vmw_surface_res_free(struct vmw_resource *res);
399 extern int vmw_surface_init(struct vmw_private *dev_priv,
400                             struct vmw_surface *srf,
401                             void (*res_free) (struct vmw_resource *res));
402 extern int vmw_user_surface_lookup_handle(struct vmw_private *dev_priv,
403                                           struct ttm_object_file *tfile,
404                                           uint32_t handle,
405                                           struct vmw_surface **out);
406 extern int vmw_surface_destroy_ioctl(struct drm_device *dev, void *data,
407                                      struct drm_file *file_priv);
408 extern int vmw_surface_define_ioctl(struct drm_device *dev, void *data,
409                                     struct drm_file *file_priv);
410 extern int vmw_surface_reference_ioctl(struct drm_device *dev, void *data,
411                                        struct drm_file *file_priv);
412 extern int vmw_surface_check(struct vmw_private *dev_priv,
413                              struct ttm_object_file *tfile,
414                              uint32_t handle, int *id);
415 extern int vmw_surface_validate(struct vmw_private *dev_priv,
416                                 struct vmw_surface *srf);
417 extern void vmw_dmabuf_bo_free(struct ttm_buffer_object *bo);
418 extern int vmw_dmabuf_init(struct vmw_private *dev_priv,
419                            struct vmw_dma_buffer *vmw_bo,
420                            size_t size, struct ttm_placement *placement,
421                            bool interuptable,
422                            void (*bo_free) (struct ttm_buffer_object *bo));
423 extern int vmw_dmabuf_alloc_ioctl(struct drm_device *dev, void *data,
424                                   struct drm_file *file_priv);
425 extern int vmw_dmabuf_unref_ioctl(struct drm_device *dev, void *data,
426                                   struct drm_file *file_priv);
427 extern uint32_t vmw_dmabuf_validate_node(struct ttm_buffer_object *bo,
428                                          uint32_t cur_validate_node);
429 extern void vmw_dmabuf_validate_clear(struct ttm_buffer_object *bo);
430 extern int vmw_user_dmabuf_lookup(struct ttm_object_file *tfile,
431                                   uint32_t id, struct vmw_dma_buffer **out);
432 extern int vmw_stream_claim_ioctl(struct drm_device *dev, void *data,
433                                   struct drm_file *file_priv);
434 extern int vmw_stream_unref_ioctl(struct drm_device *dev, void *data,
435                                   struct drm_file *file_priv);
436 extern int vmw_user_stream_lookup(struct vmw_private *dev_priv,
437                                   struct ttm_object_file *tfile,
438                                   uint32_t *inout_id,
439                                   struct vmw_resource **out);
440 extern void vmw_resource_unreserve(struct list_head *list);
441
442 /**
443  * DMA buffer helper routines - vmwgfx_dmabuf.c
444  */
445 extern int vmw_dmabuf_to_placement(struct vmw_private *vmw_priv,
446                                    struct vmw_dma_buffer *bo,
447                                    struct ttm_placement *placement,
448                                    bool interruptible);
449 extern int vmw_dmabuf_to_vram(struct vmw_private *dev_priv,
450                               struct vmw_dma_buffer *buf,
451                               bool pin, bool interruptible);
452 extern int vmw_dmabuf_to_vram_or_gmr(struct vmw_private *dev_priv,
453                                      struct vmw_dma_buffer *buf,
454                                      bool pin, bool interruptible);
455 extern int vmw_dmabuf_to_start_of_vram(struct vmw_private *vmw_priv,
456                                        struct vmw_dma_buffer *bo,
457                                        bool pin, bool interruptible);
458 extern int vmw_dmabuf_unpin(struct vmw_private *vmw_priv,
459                             struct vmw_dma_buffer *bo,
460                             bool interruptible);
461 extern void vmw_bo_get_guest_ptr(const struct ttm_buffer_object *buf,
462                                  SVGAGuestPtr *ptr);
463 extern void vmw_bo_pin(struct ttm_buffer_object *bo, bool pin);
464
465 /**
466  * Misc Ioctl functionality - vmwgfx_ioctl.c
467  */
468
469 extern int vmw_getparam_ioctl(struct drm_device *dev, void *data,
470                               struct drm_file *file_priv);
471 extern int vmw_get_cap_3d_ioctl(struct drm_device *dev, void *data,
472                                 struct drm_file *file_priv);
473 extern int vmw_present_ioctl(struct drm_device *dev, void *data,
474                              struct drm_file *file_priv);
475 extern int vmw_present_readback_ioctl(struct drm_device *dev, void *data,
476                                       struct drm_file *file_priv);
477 extern unsigned int vmw_fops_poll(struct file *filp,
478                                   struct poll_table_struct *wait);
479 extern ssize_t vmw_fops_read(struct file *filp, char __user *buffer,
480                              size_t count, loff_t *offset);
481
482 /**
483  * Fifo utilities - vmwgfx_fifo.c
484  */
485
486 extern int vmw_fifo_init(struct vmw_private *dev_priv,
487                          struct vmw_fifo_state *fifo);
488 extern void vmw_fifo_release(struct vmw_private *dev_priv,
489                              struct vmw_fifo_state *fifo);
490 extern void *vmw_fifo_reserve(struct vmw_private *dev_priv, uint32_t bytes);
491 extern void vmw_fifo_commit(struct vmw_private *dev_priv, uint32_t bytes);
492 extern int vmw_fifo_send_fence(struct vmw_private *dev_priv,
493                                uint32_t *seqno);
494 extern void vmw_fifo_ping_host(struct vmw_private *dev_priv, uint32_t reason);
495 extern bool vmw_fifo_have_3d(struct vmw_private *dev_priv);
496 extern bool vmw_fifo_have_pitchlock(struct vmw_private *dev_priv);
497 extern int vmw_fifo_emit_dummy_query(struct vmw_private *dev_priv,
498                                      uint32_t cid);
499
500 /**
501  * TTM glue - vmwgfx_ttm_glue.c
502  */
503
504 extern int vmw_ttm_global_init(struct vmw_private *dev_priv);
505 extern void vmw_ttm_global_release(struct vmw_private *dev_priv);
506 extern int vmw_mmap(struct file *filp, struct vm_area_struct *vma);
507
508 /**
509  * TTM buffer object driver - vmwgfx_buffer.c
510  */
511
512 extern struct ttm_placement vmw_vram_placement;
513 extern struct ttm_placement vmw_vram_ne_placement;
514 extern struct ttm_placement vmw_vram_sys_placement;
515 extern struct ttm_placement vmw_vram_gmr_placement;
516 extern struct ttm_placement vmw_vram_gmr_ne_placement;
517 extern struct ttm_placement vmw_sys_placement;
518 extern struct ttm_placement vmw_evictable_placement;
519 extern struct ttm_placement vmw_srf_placement;
520 extern struct ttm_bo_driver vmw_bo_driver;
521 extern int vmw_dma_quiescent(struct drm_device *dev);
522
523 /**
524  * Command submission - vmwgfx_execbuf.c
525  */
526
527 extern int vmw_execbuf_ioctl(struct drm_device *dev, void *data,
528                              struct drm_file *file_priv);
529 extern int vmw_execbuf_process(struct drm_file *file_priv,
530                                struct vmw_private *dev_priv,
531                                void __user *user_commands,
532                                void *kernel_commands,
533                                uint32_t command_size,
534                                uint64_t throttle_us,
535                                struct drm_vmw_fence_rep __user
536                                *user_fence_rep);
537
538 extern void
539 vmw_execbuf_release_pinned_bo(struct vmw_private *dev_priv,
540                               bool only_on_cid_match, uint32_t cid);
541
542 extern int vmw_execbuf_fence_commands(struct drm_file *file_priv,
543                                       struct vmw_private *dev_priv,
544                                       struct vmw_fence_obj **p_fence,
545                                       uint32_t *p_handle);
546 extern void vmw_execbuf_copy_fence_user(struct vmw_private *dev_priv,
547                                         struct vmw_fpriv *vmw_fp,
548                                         int ret,
549                                         struct drm_vmw_fence_rep __user
550                                         *user_fence_rep,
551                                         struct vmw_fence_obj *fence,
552                                         uint32_t fence_handle);
553
554 /**
555  * IRQs and wating - vmwgfx_irq.c
556  */
557
558 extern irqreturn_t vmw_irq_handler(DRM_IRQ_ARGS);
559 extern int vmw_wait_seqno(struct vmw_private *dev_priv, bool lazy,
560                              uint32_t seqno, bool interruptible,
561                              unsigned long timeout);
562 extern void vmw_irq_preinstall(struct drm_device *dev);
563 extern int vmw_irq_postinstall(struct drm_device *dev);
564 extern void vmw_irq_uninstall(struct drm_device *dev);
565 extern bool vmw_seqno_passed(struct vmw_private *dev_priv,
566                                 uint32_t seqno);
567 extern int vmw_fallback_wait(struct vmw_private *dev_priv,
568                              bool lazy,
569                              bool fifo_idle,
570                              uint32_t seqno,
571                              bool interruptible,
572                              unsigned long timeout);
573 extern void vmw_update_seqno(struct vmw_private *dev_priv,
574                                 struct vmw_fifo_state *fifo_state);
575 extern void vmw_seqno_waiter_add(struct vmw_private *dev_priv);
576 extern void vmw_seqno_waiter_remove(struct vmw_private *dev_priv);
577 extern void vmw_goal_waiter_add(struct vmw_private *dev_priv);
578 extern void vmw_goal_waiter_remove(struct vmw_private *dev_priv);
579
580 /**
581  * Rudimentary fence-like objects currently used only for throttling -
582  * vmwgfx_marker.c
583  */
584
585 extern void vmw_marker_queue_init(struct vmw_marker_queue *queue);
586 extern void vmw_marker_queue_takedown(struct vmw_marker_queue *queue);
587 extern int vmw_marker_push(struct vmw_marker_queue *queue,
588                           uint32_t seqno);
589 extern int vmw_marker_pull(struct vmw_marker_queue *queue,
590                           uint32_t signaled_seqno);
591 extern int vmw_wait_lag(struct vmw_private *dev_priv,
592                         struct vmw_marker_queue *queue, uint32_t us);
593
594 /**
595  * Kernel framebuffer - vmwgfx_fb.c
596  */
597
598 int vmw_fb_init(struct vmw_private *vmw_priv);
599 int vmw_fb_close(struct vmw_private *dev_priv);
600 int vmw_fb_off(struct vmw_private *vmw_priv);
601 int vmw_fb_on(struct vmw_private *vmw_priv);
602
603 /**
604  * Kernel modesetting - vmwgfx_kms.c
605  */
606
607 int vmw_kms_init(struct vmw_private *dev_priv);
608 int vmw_kms_close(struct vmw_private *dev_priv);
609 int vmw_kms_save_vga(struct vmw_private *vmw_priv);
610 int vmw_kms_restore_vga(struct vmw_private *vmw_priv);
611 int vmw_kms_cursor_bypass_ioctl(struct drm_device *dev, void *data,
612                                 struct drm_file *file_priv);
613 void vmw_kms_cursor_post_execbuf(struct vmw_private *dev_priv);
614 void vmw_kms_cursor_snoop(struct vmw_surface *srf,
615                           struct ttm_object_file *tfile,
616                           struct ttm_buffer_object *bo,
617                           SVGA3dCmdHeader *header);
618 int vmw_kms_write_svga(struct vmw_private *vmw_priv,
619                        unsigned width, unsigned height, unsigned pitch,
620                        unsigned bpp, unsigned depth);
621 void vmw_kms_idle_workqueues(struct vmw_master *vmaster);
622 bool vmw_kms_validate_mode_vram(struct vmw_private *dev_priv,
623                                 uint32_t pitch,
624                                 uint32_t height);
625 u32 vmw_get_vblank_counter(struct drm_device *dev, int crtc);
626 int vmw_enable_vblank(struct drm_device *dev, int crtc);
627 void vmw_disable_vblank(struct drm_device *dev, int crtc);
628 int vmw_kms_present(struct vmw_private *dev_priv,
629                     struct drm_file *file_priv,
630                     struct vmw_framebuffer *vfb,
631                     struct vmw_surface *surface,
632                     uint32_t sid, int32_t destX, int32_t destY,
633                     struct drm_vmw_rect *clips,
634                     uint32_t num_clips);
635 int vmw_kms_readback(struct vmw_private *dev_priv,
636                      struct drm_file *file_priv,
637                      struct vmw_framebuffer *vfb,
638                      struct drm_vmw_fence_rep __user *user_fence_rep,
639                      struct drm_vmw_rect *clips,
640                      uint32_t num_clips);
641 int vmw_kms_update_layout_ioctl(struct drm_device *dev, void *data,
642                                 struct drm_file *file_priv);
643
644 /**
645  * Overlay control - vmwgfx_overlay.c
646  */
647
648 int vmw_overlay_init(struct vmw_private *dev_priv);
649 int vmw_overlay_close(struct vmw_private *dev_priv);
650 int vmw_overlay_ioctl(struct drm_device *dev, void *data,
651                       struct drm_file *file_priv);
652 int vmw_overlay_stop_all(struct vmw_private *dev_priv);
653 int vmw_overlay_resume_all(struct vmw_private *dev_priv);
654 int vmw_overlay_pause_all(struct vmw_private *dev_priv);
655 int vmw_overlay_claim(struct vmw_private *dev_priv, uint32_t *out);
656 int vmw_overlay_unref(struct vmw_private *dev_priv, uint32_t stream_id);
657 int vmw_overlay_num_overlays(struct vmw_private *dev_priv);
658 int vmw_overlay_num_free_overlays(struct vmw_private *dev_priv);
659
660 /**
661  * GMR Id manager
662  */
663
664 extern const struct ttm_mem_type_manager_func vmw_gmrid_manager_func;
665
666 /**
667  * Inline helper functions
668  */
669
670 static inline void vmw_surface_unreference(struct vmw_surface **srf)
671 {
672         struct vmw_surface *tmp_srf = *srf;
673         struct vmw_resource *res = &tmp_srf->res;
674         *srf = NULL;
675
676         vmw_resource_unreference(&res);
677 }
678
679 static inline struct vmw_surface *vmw_surface_reference(struct vmw_surface *srf)
680 {
681         (void) vmw_resource_reference(&srf->res);
682         return srf;
683 }
684
685 static inline void vmw_dmabuf_unreference(struct vmw_dma_buffer **buf)
686 {
687         struct vmw_dma_buffer *tmp_buf = *buf;
688         struct ttm_buffer_object *bo = &tmp_buf->base;
689         *buf = NULL;
690
691         ttm_bo_unref(&bo);
692 }
693
694 static inline struct vmw_dma_buffer *vmw_dmabuf_reference(struct vmw_dma_buffer *buf)
695 {
696         if (ttm_bo_reference(&buf->base))
697                 return buf;
698         return NULL;
699 }
700
701 static inline struct ttm_mem_global *vmw_mem_glob(struct vmw_private *dev_priv)
702 {
703         return (struct ttm_mem_global *) dev_priv->mem_global_ref.object;
704 }
705 #endif