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Merge branch 'for-rmk' of git://git.pengutronix.de/git/imx/linux-2.6
[linux-2.6-block.git] / drivers / gpu / drm / vmwgfx / vmwgfx_drv.h
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fb1d9738
JB		 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"
d9f36a00 35#include "linux/suspend.h"
fb1d9738
JB		 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 "20090724"
43#define VMWGFX_DRIVER_MAJOR 0
44#define VMWGFX_DRIVER_MINOR 1
45#define VMWGFX_DRIVER_PATCHLEVEL 2
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
51struct vmw_fpriv {
52 struct drm_master *locked_master;
53 struct ttm_object_file *tfile;
54};
55
56struct vmw_dma_buffer {
57 struct ttm_buffer_object base;
58 struct list_head validate_list;
59 struct list_head gmr_lru;
60 uint32_t gmr_id;
61 bool gmr_bound;
62 uint32_t cur_validate_node;
63 bool on_validate_list;
64};
65
66struct vmw_resource {
67 struct kref kref;
68 struct vmw_private *dev_priv;
69 struct idr *idr;
70 int id;
71 enum ttm_object_type res_type;
72 bool avail;
73 void (*hw_destroy) (struct vmw_resource *res);
74 void (*res_free) (struct vmw_resource *res);
75
76 /* TODO is a generic snooper needed? */
77#if 0
78 void (*snoop)(struct vmw_resource *res,
79 struct ttm_object_file *tfile,
80 SVGA3dCmdHeader *header);
81 void *snoop_priv;
82#endif
83};
84
85struct vmw_cursor_snooper {
86 struct drm_crtc *crtc;
87 size_t age;
88 uint32_t *image;
89};
90
91struct vmw_surface {
92 struct vmw_resource res;
93 uint32_t flags;
94 uint32_t format;
95 uint32_t mip_levels[DRM_VMW_MAX_SURFACE_FACES];
96 struct drm_vmw_size *sizes;
97 uint32_t num_sizes;
98
99 /* TODO so far just a extra pointer */
100 struct vmw_cursor_snooper snooper;
101};
102
103struct vmw_fifo_state {
104 unsigned long reserved_size;
105 __le32 *dynamic_buffer;
106 __le32 *static_buffer;
107 __le32 *last_buffer;
108 uint32_t last_data_size;
109 uint32_t last_buffer_size;
110 bool last_buffer_add;
111 unsigned long static_buffer_size;
112 bool using_bounce_buffer;
113 uint32_t capabilities;
114 struct rw_semaphore rwsem;
115};
116
117struct vmw_relocation {
118 SVGAGuestPtr *location;
119 uint32_t index;
120};
121
122struct vmw_sw_context{
123 struct ida bo_list;
124 uint32_t last_cid;
125 bool cid_valid;
126 uint32_t last_sid;
7a73ba74 127 uint32_t sid_translation;
fb1d9738
JB		 128 bool sid_valid;
129 struct ttm_object_file *tfile;
130 struct list_head validate_nodes;
131 struct vmw_relocation relocs[VMWGFX_MAX_RELOCATIONS];
132 uint32_t cur_reloc;
133 struct ttm_validate_buffer val_bufs[VMWGFX_MAX_GMRS];
134 uint32_t cur_val_buf;
135};
136
137struct vmw_legacy_display;
138struct vmw_overlay;
139
140struct vmw_master {
141 struct ttm_lock lock;
142};
143
144struct vmw_private {
145 struct ttm_bo_device bdev;
146 struct ttm_bo_global_ref bo_global_ref;
147 struct ttm_global_reference mem_global_ref;
148
149 struct vmw_fifo_state fifo;
150
151 struct drm_device *dev;
152 unsigned long vmw_chipset;
153 unsigned int io_start;
154 uint32_t vram_start;
155 uint32_t vram_size;
156 uint32_t mmio_start;
157 uint32_t mmio_size;
158 uint32_t fb_max_width;
159 uint32_t fb_max_height;
160 __le32 __iomem *mmio_virt;
161 int mmio_mtrr;
162 uint32_t capabilities;
163 uint32_t max_gmr_descriptors;
164 uint32_t max_gmr_ids;
165 struct mutex hw_mutex;
166
167 /*
168 * VGA registers.
169 */
170
171 uint32_t vga_width;
172 uint32_t vga_height;
173 uint32_t vga_depth;
174 uint32_t vga_bpp;
175 uint32_t vga_pseudo;
176 uint32_t vga_red_mask;
177 uint32_t vga_blue_mask;
178 uint32_t vga_green_mask;
179
180 /*
181 * Framebuffer info.
182 */
183
184 void *fb_info;
185 struct vmw_legacy_display *ldu_priv;
186 struct vmw_overlay *overlay_priv;
187
188 /*
189 * Context and surface management.
190 */
191
192 rwlock_t resource_lock;
193 struct idr context_idr;
194 struct idr surface_idr;
195 struct idr stream_idr;
196
197 /*
198 * Block lastclose from racing with firstopen.
199 */
200
201 struct mutex init_mutex;
202
203 /*
204 * A resource manager for kernel-only surfaces and
205 * contexts.
206 */
207
208 struct ttm_object_device *tdev;
209
210 /*
211 * Fencing and IRQs.
212 */
213
214 uint32_t fence_seq;
215 wait_queue_head_t fence_queue;
216 wait_queue_head_t fifo_queue;
217 atomic_t fence_queue_waiters;
218 atomic_t fifo_queue_waiters;
219 uint32_t last_read_sequence;
220 spinlock_t irq_lock;
221
222 /*
223 * Device state
224 */
225
226 uint32_t traces_state;
227 uint32_t enable_state;
228 uint32_t config_done_state;
229
230 /**
231 * Execbuf
232 */
233 /**
234 * Protected by the cmdbuf mutex.
235 */
236
237 struct vmw_sw_context ctx;
238 uint32_t val_seq;
239 struct mutex cmdbuf_mutex;
240
241 /**
242 * GMR management. Protected by the lru spinlock.
243 */
244
245 struct ida gmr_ida;
246 struct list_head gmr_lru;
247
248
249 /**
250 * Operating mode.
251 */
252
253 bool stealth;
254 bool is_opened;
255
256 /**
257 * Master management.
258 */
259
260 struct vmw_master *active_master;
261 struct vmw_master fbdev_master;
d9f36a00 262 struct notifier_block pm_nb;
fb1d9738
JB		 263};
264
265static inline struct vmw_private *vmw_priv(struct drm_device *dev)
266{
267 return (struct vmw_private *)dev->dev_private;
268}
269
270static inline struct vmw_fpriv *vmw_fpriv(struct drm_file *file_priv)
271{
272 return (struct vmw_fpriv *)file_priv->driver_priv;
273}
274
275static inline struct vmw_master *vmw_master(struct drm_master *master)
276{
277 return (struct vmw_master *) master->driver_priv;
278}
279
280static inline void vmw_write(struct vmw_private *dev_priv,
281 unsigned int offset, uint32_t value)
282{
283 outl(offset, dev_priv->io_start + VMWGFX_INDEX_PORT);
284 outl(value, dev_priv->io_start + VMWGFX_VALUE_PORT);
285}
286
287static inline uint32_t vmw_read(struct vmw_private *dev_priv,
288 unsigned int offset)
289{
290 uint32_t val;
291
292 outl(offset, dev_priv->io_start + VMWGFX_INDEX_PORT);
293 val = inl(dev_priv->io_start + VMWGFX_VALUE_PORT);
294 return val;
295}
296
297/**
298 * GMR utilities - vmwgfx_gmr.c
299 */
300
301extern int vmw_gmr_bind(struct vmw_private *dev_priv,
302 struct ttm_buffer_object *bo);
303extern void vmw_gmr_unbind(struct vmw_private *dev_priv, int gmr_id);
304
305/**
306 * Resource utilities - vmwgfx_resource.c
307 */
308
309extern struct vmw_resource *vmw_context_alloc(struct vmw_private *dev_priv);
310extern void vmw_resource_unreference(struct vmw_resource **p_res);
311extern struct vmw_resource *vmw_resource_reference(struct vmw_resource *res);
312extern int vmw_context_destroy_ioctl(struct drm_device *dev, void *data,
313 struct drm_file *file_priv);
314extern int vmw_context_define_ioctl(struct drm_device *dev, void *data,
315 struct drm_file *file_priv);
316extern int vmw_context_check(struct vmw_private *dev_priv,
317 struct ttm_object_file *tfile,
318 int id);
319extern void vmw_surface_res_free(struct vmw_resource *res);
320extern int vmw_surface_init(struct vmw_private *dev_priv,
321 struct vmw_surface *srf,
322 void (*res_free) (struct vmw_resource *res));
7a73ba74
TH		 323extern int vmw_user_surface_lookup_handle(struct vmw_private *dev_priv,
324 struct ttm_object_file *tfile,
325 uint32_t handle,
326 struct vmw_surface **out);
fb1d9738
JB		 327extern int vmw_surface_destroy_ioctl(struct drm_device *dev, void *data,
328 struct drm_file *file_priv);
329extern int vmw_surface_define_ioctl(struct drm_device *dev, void *data,
330 struct drm_file *file_priv);
331extern int vmw_surface_reference_ioctl(struct drm_device *dev, void *data,
332 struct drm_file *file_priv);
333extern int vmw_surface_check(struct vmw_private *dev_priv,
334 struct ttm_object_file *tfile,
7a73ba74 335 uint32_t handle, int *id);
fb1d9738
JB		 336extern void vmw_dmabuf_bo_free(struct ttm_buffer_object *bo);
337extern int vmw_dmabuf_init(struct vmw_private *dev_priv,
338 struct vmw_dma_buffer *vmw_bo,
339 size_t size, struct ttm_placement *placement,
340 bool interuptable,
341 void (*bo_free) (struct ttm_buffer_object *bo));
342extern int vmw_dmabuf_alloc_ioctl(struct drm_device *dev, void *data,
343 struct drm_file *file_priv);
344extern int vmw_dmabuf_unref_ioctl(struct drm_device *dev, void *data,
345 struct drm_file *file_priv);
346extern uint32_t vmw_dmabuf_validate_node(struct ttm_buffer_object *bo,
347 uint32_t cur_validate_node);
348extern void vmw_dmabuf_validate_clear(struct ttm_buffer_object *bo);
349extern int vmw_user_dmabuf_lookup(struct ttm_object_file *tfile,
350 uint32_t id, struct vmw_dma_buffer **out);
351extern uint32_t vmw_dmabuf_gmr(struct ttm_buffer_object *bo);
352extern void vmw_dmabuf_set_gmr(struct ttm_buffer_object *bo, uint32_t id);
353extern int vmw_gmr_id_alloc(struct vmw_private *dev_priv, uint32_t *p_id);
354extern int vmw_dmabuf_to_start_of_vram(struct vmw_private *vmw_priv,
355 struct vmw_dma_buffer *bo);
356extern int vmw_dmabuf_from_vram(struct vmw_private *vmw_priv,
357 struct vmw_dma_buffer *bo);
effe1105 358extern void vmw_dmabuf_gmr_unbind(struct ttm_buffer_object *bo);
fb1d9738
JB		 359extern int vmw_stream_claim_ioctl(struct drm_device *dev, void *data,
360 struct drm_file *file_priv);
361extern int vmw_stream_unref_ioctl(struct drm_device *dev, void *data,
362 struct drm_file *file_priv);
363extern int vmw_user_stream_lookup(struct vmw_private *dev_priv,
364 struct ttm_object_file *tfile,
365 uint32_t *inout_id,
366 struct vmw_resource **out);
367
368
369/**
370 * Misc Ioctl functionality - vmwgfx_ioctl.c
371 */
372
373extern int vmw_getparam_ioctl(struct drm_device *dev, void *data,
374 struct drm_file *file_priv);
375extern int vmw_fifo_debug_ioctl(struct drm_device *dev, void *data,
376 struct drm_file *file_priv);
377
378/**
379 * Fifo utilities - vmwgfx_fifo.c
380 */
381
382extern int vmw_fifo_init(struct vmw_private *dev_priv,
383 struct vmw_fifo_state *fifo);
384extern void vmw_fifo_release(struct vmw_private *dev_priv,
385 struct vmw_fifo_state *fifo);
386extern void *vmw_fifo_reserve(struct vmw_private *dev_priv, uint32_t bytes);
387extern void vmw_fifo_commit(struct vmw_private *dev_priv, uint32_t bytes);
388extern int vmw_fifo_send_fence(struct vmw_private *dev_priv,
389 uint32_t *sequence);
390extern void vmw_fifo_ping_host(struct vmw_private *dev_priv, uint32_t reason);
391extern int vmw_fifo_mmap(struct file *filp, struct vm_area_struct *vma);
392
393/**
394 * TTM glue - vmwgfx_ttm_glue.c
395 */
396
397extern int vmw_ttm_global_init(struct vmw_private *dev_priv);
398extern void vmw_ttm_global_release(struct vmw_private *dev_priv);
399extern int vmw_mmap(struct file *filp, struct vm_area_struct *vma);
400
401/**
402 * TTM buffer object driver - vmwgfx_buffer.c
403 */
404
405extern struct ttm_placement vmw_vram_placement;
406extern struct ttm_placement vmw_vram_ne_placement;
8ba5152a 407extern struct ttm_placement vmw_vram_sys_placement;
fb1d9738
JB		 408extern struct ttm_placement vmw_sys_placement;
409extern struct ttm_bo_driver vmw_bo_driver;
410extern int vmw_dma_quiescent(struct drm_device *dev);
411
412/**
413 * Command submission - vmwgfx_execbuf.c
414 */
415
416extern int vmw_execbuf_ioctl(struct drm_device *dev, void *data,
417 struct drm_file *file_priv);
418
419/**
420 * IRQs and wating - vmwgfx_irq.c
421 */
422
423extern irqreturn_t vmw_irq_handler(DRM_IRQ_ARGS);
424extern int vmw_wait_fence(struct vmw_private *dev_priv, bool lazy,
425 uint32_t sequence, bool interruptible,
426 unsigned long timeout);
427extern void vmw_irq_preinstall(struct drm_device *dev);
428extern int vmw_irq_postinstall(struct drm_device *dev);
429extern void vmw_irq_uninstall(struct drm_device *dev);
430extern bool vmw_fence_signaled(struct vmw_private *dev_priv,
431 uint32_t sequence);
432extern int vmw_fence_wait_ioctl(struct drm_device *dev, void *data,
433 struct drm_file *file_priv);
434extern int vmw_fallback_wait(struct vmw_private *dev_priv,
435 bool lazy,
436 bool fifo_idle,
437 uint32_t sequence,
438 bool interruptible,
439 unsigned long timeout);
440
441/**
442 * Kernel framebuffer - vmwgfx_fb.c
443 */
444
445int vmw_fb_init(struct vmw_private *vmw_priv);
446int vmw_fb_close(struct vmw_private *dev_priv);
447int vmw_fb_off(struct vmw_private *vmw_priv);
448int vmw_fb_on(struct vmw_private *vmw_priv);
449
450/**
451 * Kernel modesetting - vmwgfx_kms.c
452 */
453
454int vmw_kms_init(struct vmw_private *dev_priv);
455int vmw_kms_close(struct vmw_private *dev_priv);
456int vmw_kms_save_vga(struct vmw_private *vmw_priv);
457int vmw_kms_restore_vga(struct vmw_private *vmw_priv);
458int vmw_kms_cursor_bypass_ioctl(struct drm_device *dev, void *data,
459 struct drm_file *file_priv);
460void vmw_kms_cursor_post_execbuf(struct vmw_private *dev_priv);
461void vmw_kms_cursor_snoop(struct vmw_surface *srf,
462 struct ttm_object_file *tfile,
463 struct ttm_buffer_object *bo,
464 SVGA3dCmdHeader *header);
465
466/**
467 * Overlay control - vmwgfx_overlay.c
468 */
469
470int vmw_overlay_init(struct vmw_private *dev_priv);
471int vmw_overlay_close(struct vmw_private *dev_priv);
472int vmw_overlay_ioctl(struct drm_device *dev, void *data,
473 struct drm_file *file_priv);
474int vmw_overlay_stop_all(struct vmw_private *dev_priv);
475int vmw_overlay_resume_all(struct vmw_private *dev_priv);
476int vmw_overlay_pause_all(struct vmw_private *dev_priv);
477int vmw_overlay_claim(struct vmw_private *dev_priv, uint32_t *out);
478int vmw_overlay_unref(struct vmw_private *dev_priv, uint32_t stream_id);
479int vmw_overlay_num_overlays(struct vmw_private *dev_priv);
480int vmw_overlay_num_free_overlays(struct vmw_private *dev_priv);
481
482/**
483 * Inline helper functions
484 */
485
486static inline void vmw_surface_unreference(struct vmw_surface **srf)
487{
488 struct vmw_surface *tmp_srf = *srf;
489 struct vmw_resource *res = &tmp_srf->res;
490 *srf = NULL;
491
492 vmw_resource_unreference(&res);
493}
494
495static inline struct vmw_surface *vmw_surface_reference(struct vmw_surface *srf)
496{
497 (void) vmw_resource_reference(&srf->res);
498 return srf;
499}
500
501static inline void vmw_dmabuf_unreference(struct vmw_dma_buffer **buf)
502{
503 struct vmw_dma_buffer *tmp_buf = *buf;
504 struct ttm_buffer_object *bo = &tmp_buf->base;
505 *buf = NULL;
506
507 ttm_bo_unref(&bo);
508}
509
510static inline struct vmw_dma_buffer *vmw_dmabuf_reference(struct vmw_dma_buffer *buf)
511{
512 if (ttm_bo_reference(&buf->base))
513 return buf;
514 return NULL;
515}
516
517#endif
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