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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 | #include "vmwgfx_kms.h" | |
29 | ||
30 | /* Might need a hrtimer here? */ | |
31 | #define VMWGFX_PRESENT_RATE ((HZ / 60 > 0) ? HZ / 60 : 1) | |
32 | ||
33 | ||
34 | void vmw_display_unit_cleanup(struct vmw_display_unit *du) | |
35 | { | |
36 | if (du->cursor_surface) | |
37 | vmw_surface_unreference(&du->cursor_surface); | |
38 | if (du->cursor_dmabuf) | |
39 | vmw_dmabuf_unreference(&du->cursor_dmabuf); | |
40 | drm_crtc_cleanup(&du->crtc); | |
41 | drm_encoder_cleanup(&du->encoder); | |
42 | drm_connector_cleanup(&du->connector); | |
43 | } | |
44 | ||
45 | /* | |
46 | * Display Unit Cursor functions | |
47 | */ | |
48 | ||
49 | int vmw_cursor_update_image(struct vmw_private *dev_priv, | |
50 | u32 *image, u32 width, u32 height, | |
51 | u32 hotspotX, u32 hotspotY) | |
52 | { | |
53 | struct { | |
54 | u32 cmd; | |
55 | SVGAFifoCmdDefineAlphaCursor cursor; | |
56 | } *cmd; | |
57 | u32 image_size = width * height * 4; | |
58 | u32 cmd_size = sizeof(*cmd) + image_size; | |
59 | ||
60 | if (!image) | |
61 | return -EINVAL; | |
62 | ||
63 | cmd = vmw_fifo_reserve(dev_priv, cmd_size); | |
64 | if (unlikely(cmd == NULL)) { | |
65 | DRM_ERROR("Fifo reserve failed.\n"); | |
66 | return -ENOMEM; | |
67 | } | |
68 | ||
69 | memset(cmd, 0, sizeof(*cmd)); | |
70 | ||
71 | memcpy(&cmd[1], image, image_size); | |
72 | ||
73 | cmd->cmd = cpu_to_le32(SVGA_CMD_DEFINE_ALPHA_CURSOR); | |
74 | cmd->cursor.id = cpu_to_le32(0); | |
75 | cmd->cursor.width = cpu_to_le32(width); | |
76 | cmd->cursor.height = cpu_to_le32(height); | |
77 | cmd->cursor.hotspotX = cpu_to_le32(hotspotX); | |
78 | cmd->cursor.hotspotY = cpu_to_le32(hotspotY); | |
79 | ||
80 | vmw_fifo_commit(dev_priv, cmd_size); | |
81 | ||
82 | return 0; | |
83 | } | |
84 | ||
85 | void vmw_cursor_update_position(struct vmw_private *dev_priv, | |
86 | bool show, int x, int y) | |
87 | { | |
88 | __le32 __iomem *fifo_mem = dev_priv->mmio_virt; | |
89 | uint32_t count; | |
90 | ||
91 | iowrite32(show ? 1 : 0, fifo_mem + SVGA_FIFO_CURSOR_ON); | |
92 | iowrite32(x, fifo_mem + SVGA_FIFO_CURSOR_X); | |
93 | iowrite32(y, fifo_mem + SVGA_FIFO_CURSOR_Y); | |
94 | count = ioread32(fifo_mem + SVGA_FIFO_CURSOR_COUNT); | |
95 | iowrite32(++count, fifo_mem + SVGA_FIFO_CURSOR_COUNT); | |
96 | } | |
97 | ||
98 | int vmw_du_crtc_cursor_set(struct drm_crtc *crtc, struct drm_file *file_priv, | |
99 | uint32_t handle, uint32_t width, uint32_t height) | |
100 | { | |
101 | struct vmw_private *dev_priv = vmw_priv(crtc->dev); | |
102 | struct ttm_object_file *tfile = vmw_fpriv(file_priv)->tfile; | |
103 | struct vmw_display_unit *du = vmw_crtc_to_du(crtc); | |
104 | struct vmw_surface *surface = NULL; | |
105 | struct vmw_dma_buffer *dmabuf = NULL; | |
106 | int ret; | |
107 | ||
108 | if (handle) { | |
7a73ba74 TH |
109 | ret = vmw_user_surface_lookup_handle(dev_priv, tfile, |
110 | handle, &surface); | |
fb1d9738 JB |
111 | if (!ret) { |
112 | if (!surface->snooper.image) { | |
113 | DRM_ERROR("surface not suitable for cursor\n"); | |
114 | return -EINVAL; | |
115 | } | |
116 | } else { | |
117 | ret = vmw_user_dmabuf_lookup(tfile, | |
118 | handle, &dmabuf); | |
119 | if (ret) { | |
120 | DRM_ERROR("failed to find surface or dmabuf: %i\n", ret); | |
121 | return -EINVAL; | |
122 | } | |
123 | } | |
124 | } | |
125 | ||
126 | /* takedown old cursor */ | |
127 | if (du->cursor_surface) { | |
128 | du->cursor_surface->snooper.crtc = NULL; | |
129 | vmw_surface_unreference(&du->cursor_surface); | |
130 | } | |
131 | if (du->cursor_dmabuf) | |
132 | vmw_dmabuf_unreference(&du->cursor_dmabuf); | |
133 | ||
134 | /* setup new image */ | |
135 | if (surface) { | |
136 | /* vmw_user_surface_lookup takes one reference */ | |
137 | du->cursor_surface = surface; | |
138 | ||
139 | du->cursor_surface->snooper.crtc = crtc; | |
140 | du->cursor_age = du->cursor_surface->snooper.age; | |
141 | vmw_cursor_update_image(dev_priv, surface->snooper.image, | |
142 | 64, 64, du->hotspot_x, du->hotspot_y); | |
143 | } else if (dmabuf) { | |
144 | struct ttm_bo_kmap_obj map; | |
145 | unsigned long kmap_offset; | |
146 | unsigned long kmap_num; | |
147 | void *virtual; | |
148 | bool dummy; | |
149 | ||
150 | /* vmw_user_surface_lookup takes one reference */ | |
151 | du->cursor_dmabuf = dmabuf; | |
152 | ||
153 | kmap_offset = 0; | |
154 | kmap_num = (64*64*4) >> PAGE_SHIFT; | |
155 | ||
156 | ret = ttm_bo_reserve(&dmabuf->base, true, false, false, 0); | |
157 | if (unlikely(ret != 0)) { | |
158 | DRM_ERROR("reserve failed\n"); | |
159 | return -EINVAL; | |
160 | } | |
161 | ||
162 | ret = ttm_bo_kmap(&dmabuf->base, kmap_offset, kmap_num, &map); | |
163 | if (unlikely(ret != 0)) | |
164 | goto err_unreserve; | |
165 | ||
166 | virtual = ttm_kmap_obj_virtual(&map, &dummy); | |
167 | vmw_cursor_update_image(dev_priv, virtual, 64, 64, | |
168 | du->hotspot_x, du->hotspot_y); | |
169 | ||
170 | ttm_bo_kunmap(&map); | |
171 | err_unreserve: | |
172 | ttm_bo_unreserve(&dmabuf->base); | |
173 | ||
174 | } else { | |
175 | vmw_cursor_update_position(dev_priv, false, 0, 0); | |
176 | return 0; | |
177 | } | |
178 | ||
179 | vmw_cursor_update_position(dev_priv, true, du->cursor_x, du->cursor_y); | |
180 | ||
181 | return 0; | |
182 | } | |
183 | ||
184 | int vmw_du_crtc_cursor_move(struct drm_crtc *crtc, int x, int y) | |
185 | { | |
186 | struct vmw_private *dev_priv = vmw_priv(crtc->dev); | |
187 | struct vmw_display_unit *du = vmw_crtc_to_du(crtc); | |
188 | bool shown = du->cursor_surface || du->cursor_dmabuf ? true : false; | |
189 | ||
190 | du->cursor_x = x + crtc->x; | |
191 | du->cursor_y = y + crtc->y; | |
192 | ||
193 | vmw_cursor_update_position(dev_priv, shown, | |
194 | du->cursor_x, du->cursor_y); | |
195 | ||
196 | return 0; | |
197 | } | |
198 | ||
199 | void vmw_kms_cursor_snoop(struct vmw_surface *srf, | |
200 | struct ttm_object_file *tfile, | |
201 | struct ttm_buffer_object *bo, | |
202 | SVGA3dCmdHeader *header) | |
203 | { | |
204 | struct ttm_bo_kmap_obj map; | |
205 | unsigned long kmap_offset; | |
206 | unsigned long kmap_num; | |
207 | SVGA3dCopyBox *box; | |
208 | unsigned box_count; | |
209 | void *virtual; | |
210 | bool dummy; | |
211 | struct vmw_dma_cmd { | |
212 | SVGA3dCmdHeader header; | |
213 | SVGA3dCmdSurfaceDMA dma; | |
214 | } *cmd; | |
215 | int ret; | |
216 | ||
217 | cmd = container_of(header, struct vmw_dma_cmd, header); | |
218 | ||
219 | /* No snooper installed */ | |
220 | if (!srf->snooper.image) | |
221 | return; | |
222 | ||
223 | if (cmd->dma.host.face != 0 || cmd->dma.host.mipmap != 0) { | |
224 | DRM_ERROR("face and mipmap for cursors should never != 0\n"); | |
225 | return; | |
226 | } | |
227 | ||
228 | if (cmd->header.size < 64) { | |
229 | DRM_ERROR("at least one full copy box must be given\n"); | |
230 | return; | |
231 | } | |
232 | ||
233 | box = (SVGA3dCopyBox *)&cmd[1]; | |
234 | box_count = (cmd->header.size - sizeof(SVGA3dCmdSurfaceDMA)) / | |
235 | sizeof(SVGA3dCopyBox); | |
236 | ||
237 | if (cmd->dma.guest.pitch != (64 * 4) || | |
238 | cmd->dma.guest.ptr.offset % PAGE_SIZE || | |
239 | box->x != 0 || box->y != 0 || box->z != 0 || | |
240 | box->srcx != 0 || box->srcy != 0 || box->srcz != 0 || | |
241 | box->w != 64 || box->h != 64 || box->d != 1 || | |
242 | box_count != 1) { | |
243 | /* TODO handle none page aligned offsets */ | |
244 | /* TODO handle partial uploads and pitch != 256 */ | |
245 | /* TODO handle more then one copy (size != 64) */ | |
246 | DRM_ERROR("lazy programer, cant handle wierd stuff\n"); | |
247 | return; | |
248 | } | |
249 | ||
250 | kmap_offset = cmd->dma.guest.ptr.offset >> PAGE_SHIFT; | |
251 | kmap_num = (64*64*4) >> PAGE_SHIFT; | |
252 | ||
253 | ret = ttm_bo_reserve(bo, true, false, false, 0); | |
254 | if (unlikely(ret != 0)) { | |
255 | DRM_ERROR("reserve failed\n"); | |
256 | return; | |
257 | } | |
258 | ||
259 | ret = ttm_bo_kmap(bo, kmap_offset, kmap_num, &map); | |
260 | if (unlikely(ret != 0)) | |
261 | goto err_unreserve; | |
262 | ||
263 | virtual = ttm_kmap_obj_virtual(&map, &dummy); | |
264 | ||
265 | memcpy(srf->snooper.image, virtual, 64*64*4); | |
266 | srf->snooper.age++; | |
267 | ||
268 | /* we can't call this function from this function since execbuf has | |
269 | * reserved fifo space. | |
270 | * | |
271 | * if (srf->snooper.crtc) | |
272 | * vmw_ldu_crtc_cursor_update_image(dev_priv, | |
273 | * srf->snooper.image, 64, 64, | |
274 | * du->hotspot_x, du->hotspot_y); | |
275 | */ | |
276 | ||
277 | ttm_bo_kunmap(&map); | |
278 | err_unreserve: | |
279 | ttm_bo_unreserve(bo); | |
280 | } | |
281 | ||
282 | void vmw_kms_cursor_post_execbuf(struct vmw_private *dev_priv) | |
283 | { | |
284 | struct drm_device *dev = dev_priv->dev; | |
285 | struct vmw_display_unit *du; | |
286 | struct drm_crtc *crtc; | |
287 | ||
288 | mutex_lock(&dev->mode_config.mutex); | |
289 | ||
290 | list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) { | |
291 | du = vmw_crtc_to_du(crtc); | |
292 | if (!du->cursor_surface || | |
293 | du->cursor_age == du->cursor_surface->snooper.age) | |
294 | continue; | |
295 | ||
296 | du->cursor_age = du->cursor_surface->snooper.age; | |
297 | vmw_cursor_update_image(dev_priv, | |
298 | du->cursor_surface->snooper.image, | |
299 | 64, 64, du->hotspot_x, du->hotspot_y); | |
300 | } | |
301 | ||
302 | mutex_unlock(&dev->mode_config.mutex); | |
303 | } | |
304 | ||
305 | /* | |
306 | * Generic framebuffer code | |
307 | */ | |
308 | ||
309 | int vmw_framebuffer_create_handle(struct drm_framebuffer *fb, | |
310 | struct drm_file *file_priv, | |
311 | unsigned int *handle) | |
312 | { | |
313 | if (handle) | |
314 | handle = 0; | |
315 | ||
316 | return 0; | |
317 | } | |
318 | ||
319 | /* | |
320 | * Surface framebuffer code | |
321 | */ | |
322 | ||
323 | #define vmw_framebuffer_to_vfbs(x) \ | |
324 | container_of(x, struct vmw_framebuffer_surface, base.base) | |
325 | ||
326 | struct vmw_framebuffer_surface { | |
327 | struct vmw_framebuffer base; | |
328 | struct vmw_surface *surface; | |
329 | struct delayed_work d_work; | |
330 | struct mutex work_lock; | |
331 | bool present_fs; | |
332 | }; | |
333 | ||
334 | void vmw_framebuffer_surface_destroy(struct drm_framebuffer *framebuffer) | |
335 | { | |
336 | struct vmw_framebuffer_surface *vfb = | |
337 | vmw_framebuffer_to_vfbs(framebuffer); | |
338 | ||
339 | cancel_delayed_work_sync(&vfb->d_work); | |
340 | drm_framebuffer_cleanup(framebuffer); | |
341 | vmw_surface_unreference(&vfb->surface); | |
342 | ||
343 | kfree(framebuffer); | |
344 | } | |
345 | ||
346 | static void vmw_framebuffer_present_fs_callback(struct work_struct *work) | |
347 | { | |
348 | struct delayed_work *d_work = | |
349 | container_of(work, struct delayed_work, work); | |
350 | struct vmw_framebuffer_surface *vfbs = | |
351 | container_of(d_work, struct vmw_framebuffer_surface, d_work); | |
352 | struct vmw_surface *surf = vfbs->surface; | |
353 | struct drm_framebuffer *framebuffer = &vfbs->base.base; | |
354 | struct vmw_private *dev_priv = vmw_priv(framebuffer->dev); | |
355 | ||
356 | struct { | |
357 | SVGA3dCmdHeader header; | |
358 | SVGA3dCmdPresent body; | |
359 | SVGA3dCopyRect cr; | |
360 | } *cmd; | |
361 | ||
362 | mutex_lock(&vfbs->work_lock); | |
363 | if (!vfbs->present_fs) | |
364 | goto out_unlock; | |
365 | ||
366 | cmd = vmw_fifo_reserve(dev_priv, sizeof(*cmd)); | |
367 | if (unlikely(cmd == NULL)) | |
368 | goto out_resched; | |
369 | ||
370 | cmd->header.id = cpu_to_le32(SVGA_3D_CMD_PRESENT); | |
371 | cmd->header.size = cpu_to_le32(sizeof(cmd->body) + sizeof(cmd->cr)); | |
372 | cmd->body.sid = cpu_to_le32(surf->res.id); | |
373 | cmd->cr.x = cpu_to_le32(0); | |
374 | cmd->cr.y = cpu_to_le32(0); | |
375 | cmd->cr.srcx = cmd->cr.x; | |
376 | cmd->cr.srcy = cmd->cr.y; | |
377 | cmd->cr.w = cpu_to_le32(framebuffer->width); | |
378 | cmd->cr.h = cpu_to_le32(framebuffer->height); | |
379 | vfbs->present_fs = false; | |
380 | vmw_fifo_commit(dev_priv, sizeof(*cmd)); | |
381 | out_resched: | |
382 | /** | |
383 | * Will not re-add if already pending. | |
384 | */ | |
385 | schedule_delayed_work(&vfbs->d_work, VMWGFX_PRESENT_RATE); | |
386 | out_unlock: | |
387 | mutex_unlock(&vfbs->work_lock); | |
388 | } | |
389 | ||
390 | ||
391 | int vmw_framebuffer_surface_dirty(struct drm_framebuffer *framebuffer, | |
392 | unsigned flags, unsigned color, | |
393 | struct drm_clip_rect *clips, | |
394 | unsigned num_clips) | |
395 | { | |
396 | struct vmw_private *dev_priv = vmw_priv(framebuffer->dev); | |
397 | struct vmw_framebuffer_surface *vfbs = | |
398 | vmw_framebuffer_to_vfbs(framebuffer); | |
399 | struct vmw_surface *surf = vfbs->surface; | |
400 | struct drm_clip_rect norect; | |
401 | SVGA3dCopyRect *cr; | |
402 | int i, inc = 1; | |
403 | ||
404 | struct { | |
405 | SVGA3dCmdHeader header; | |
406 | SVGA3dCmdPresent body; | |
407 | SVGA3dCopyRect cr; | |
408 | } *cmd; | |
409 | ||
410 | if (!num_clips || | |
411 | !(dev_priv->fifo.capabilities & | |
412 | SVGA_FIFO_CAP_SCREEN_OBJECT)) { | |
413 | int ret; | |
414 | ||
415 | mutex_lock(&vfbs->work_lock); | |
416 | vfbs->present_fs = true; | |
417 | ret = schedule_delayed_work(&vfbs->d_work, VMWGFX_PRESENT_RATE); | |
418 | mutex_unlock(&vfbs->work_lock); | |
419 | if (ret) { | |
420 | /** | |
421 | * No work pending, Force immediate present. | |
422 | */ | |
423 | vmw_framebuffer_present_fs_callback(&vfbs->d_work.work); | |
424 | } | |
425 | return 0; | |
426 | } | |
427 | ||
428 | if (!num_clips) { | |
429 | num_clips = 1; | |
430 | clips = &norect; | |
431 | norect.x1 = norect.y1 = 0; | |
432 | norect.x2 = framebuffer->width; | |
433 | norect.y2 = framebuffer->height; | |
434 | } else if (flags & DRM_MODE_FB_DIRTY_ANNOTATE_COPY) { | |
435 | num_clips /= 2; | |
436 | inc = 2; /* skip source rects */ | |
437 | } | |
438 | ||
439 | cmd = vmw_fifo_reserve(dev_priv, sizeof(*cmd) + (num_clips - 1) * sizeof(cmd->cr)); | |
440 | if (unlikely(cmd == NULL)) { | |
441 | DRM_ERROR("Fifo reserve failed.\n"); | |
442 | return -ENOMEM; | |
443 | } | |
444 | ||
445 | memset(cmd, 0, sizeof(*cmd)); | |
446 | ||
447 | cmd->header.id = cpu_to_le32(SVGA_3D_CMD_PRESENT); | |
448 | cmd->header.size = cpu_to_le32(sizeof(cmd->body) + num_clips * sizeof(cmd->cr)); | |
449 | cmd->body.sid = cpu_to_le32(surf->res.id); | |
450 | ||
451 | for (i = 0, cr = &cmd->cr; i < num_clips; i++, cr++, clips += inc) { | |
452 | cr->x = cpu_to_le16(clips->x1); | |
453 | cr->y = cpu_to_le16(clips->y1); | |
454 | cr->srcx = cr->x; | |
455 | cr->srcy = cr->y; | |
456 | cr->w = cpu_to_le16(clips->x2 - clips->x1); | |
457 | cr->h = cpu_to_le16(clips->y2 - clips->y1); | |
458 | } | |
459 | ||
460 | vmw_fifo_commit(dev_priv, sizeof(*cmd) + (num_clips - 1) * sizeof(cmd->cr)); | |
461 | ||
462 | return 0; | |
463 | } | |
464 | ||
465 | static struct drm_framebuffer_funcs vmw_framebuffer_surface_funcs = { | |
466 | .destroy = vmw_framebuffer_surface_destroy, | |
467 | .dirty = vmw_framebuffer_surface_dirty, | |
468 | .create_handle = vmw_framebuffer_create_handle, | |
469 | }; | |
470 | ||
471 | int vmw_kms_new_framebuffer_surface(struct vmw_private *dev_priv, | |
472 | struct vmw_surface *surface, | |
473 | struct vmw_framebuffer **out, | |
474 | unsigned width, unsigned height) | |
475 | ||
476 | { | |
477 | struct drm_device *dev = dev_priv->dev; | |
478 | struct vmw_framebuffer_surface *vfbs; | |
479 | int ret; | |
480 | ||
481 | vfbs = kzalloc(sizeof(*vfbs), GFP_KERNEL); | |
482 | if (!vfbs) { | |
483 | ret = -ENOMEM; | |
484 | goto out_err1; | |
485 | } | |
486 | ||
487 | ret = drm_framebuffer_init(dev, &vfbs->base.base, | |
488 | &vmw_framebuffer_surface_funcs); | |
489 | if (ret) | |
490 | goto out_err2; | |
491 | ||
492 | if (!vmw_surface_reference(surface)) { | |
493 | DRM_ERROR("failed to reference surface %p\n", surface); | |
494 | goto out_err3; | |
495 | } | |
496 | ||
497 | /* XXX get the first 3 from the surface info */ | |
498 | vfbs->base.base.bits_per_pixel = 32; | |
499 | vfbs->base.base.pitch = width * 32 / 4; | |
500 | vfbs->base.base.depth = 24; | |
501 | vfbs->base.base.width = width; | |
502 | vfbs->base.base.height = height; | |
503 | vfbs->base.pin = NULL; | |
504 | vfbs->base.unpin = NULL; | |
505 | vfbs->surface = surface; | |
506 | mutex_init(&vfbs->work_lock); | |
507 | INIT_DELAYED_WORK(&vfbs->d_work, &vmw_framebuffer_present_fs_callback); | |
508 | *out = &vfbs->base; | |
509 | ||
510 | return 0; | |
511 | ||
512 | out_err3: | |
513 | drm_framebuffer_cleanup(&vfbs->base.base); | |
514 | out_err2: | |
515 | kfree(vfbs); | |
516 | out_err1: | |
517 | return ret; | |
518 | } | |
519 | ||
520 | /* | |
521 | * Dmabuf framebuffer code | |
522 | */ | |
523 | ||
524 | #define vmw_framebuffer_to_vfbd(x) \ | |
525 | container_of(x, struct vmw_framebuffer_dmabuf, base.base) | |
526 | ||
527 | struct vmw_framebuffer_dmabuf { | |
528 | struct vmw_framebuffer base; | |
529 | struct vmw_dma_buffer *buffer; | |
530 | }; | |
531 | ||
532 | void vmw_framebuffer_dmabuf_destroy(struct drm_framebuffer *framebuffer) | |
533 | { | |
534 | struct vmw_framebuffer_dmabuf *vfbd = | |
535 | vmw_framebuffer_to_vfbd(framebuffer); | |
536 | ||
537 | drm_framebuffer_cleanup(framebuffer); | |
538 | vmw_dmabuf_unreference(&vfbd->buffer); | |
539 | ||
540 | kfree(vfbd); | |
541 | } | |
542 | ||
543 | int vmw_framebuffer_dmabuf_dirty(struct drm_framebuffer *framebuffer, | |
544 | unsigned flags, unsigned color, | |
545 | struct drm_clip_rect *clips, | |
546 | unsigned num_clips) | |
547 | { | |
548 | struct vmw_private *dev_priv = vmw_priv(framebuffer->dev); | |
549 | struct drm_clip_rect norect; | |
550 | struct { | |
551 | uint32_t header; | |
552 | SVGAFifoCmdUpdate body; | |
553 | } *cmd; | |
554 | int i, increment = 1; | |
555 | ||
df1c93ba | 556 | if (!num_clips) { |
fb1d9738 JB |
557 | num_clips = 1; |
558 | clips = &norect; | |
559 | norect.x1 = norect.y1 = 0; | |
560 | norect.x2 = framebuffer->width; | |
561 | norect.y2 = framebuffer->height; | |
562 | } else if (flags & DRM_MODE_FB_DIRTY_ANNOTATE_COPY) { | |
563 | num_clips /= 2; | |
564 | increment = 2; | |
565 | } | |
566 | ||
567 | cmd = vmw_fifo_reserve(dev_priv, sizeof(*cmd) * num_clips); | |
568 | if (unlikely(cmd == NULL)) { | |
569 | DRM_ERROR("Fifo reserve failed.\n"); | |
570 | return -ENOMEM; | |
571 | } | |
572 | ||
573 | for (i = 0; i < num_clips; i++, clips += increment) { | |
574 | cmd[i].header = cpu_to_le32(SVGA_CMD_UPDATE); | |
df1c93ba TH |
575 | cmd[i].body.x = cpu_to_le32(clips->x1); |
576 | cmd[i].body.y = cpu_to_le32(clips->y1); | |
577 | cmd[i].body.width = cpu_to_le32(clips->x2 - clips->x1); | |
578 | cmd[i].body.height = cpu_to_le32(clips->y2 - clips->y1); | |
fb1d9738 JB |
579 | } |
580 | ||
581 | vmw_fifo_commit(dev_priv, sizeof(*cmd) * num_clips); | |
582 | ||
583 | return 0; | |
584 | } | |
585 | ||
586 | static struct drm_framebuffer_funcs vmw_framebuffer_dmabuf_funcs = { | |
587 | .destroy = vmw_framebuffer_dmabuf_destroy, | |
588 | .dirty = vmw_framebuffer_dmabuf_dirty, | |
589 | .create_handle = vmw_framebuffer_create_handle, | |
590 | }; | |
591 | ||
592 | static int vmw_framebuffer_dmabuf_pin(struct vmw_framebuffer *vfb) | |
593 | { | |
594 | struct vmw_private *dev_priv = vmw_priv(vfb->base.dev); | |
595 | struct vmw_framebuffer_dmabuf *vfbd = | |
596 | vmw_framebuffer_to_vfbd(&vfb->base); | |
597 | int ret; | |
598 | ||
599 | vmw_overlay_pause_all(dev_priv); | |
600 | ||
601 | ret = vmw_dmabuf_to_start_of_vram(dev_priv, vfbd->buffer); | |
602 | ||
603 | if (dev_priv->capabilities & SVGA_CAP_MULTIMON) { | |
604 | vmw_write(dev_priv, SVGA_REG_NUM_GUEST_DISPLAYS, 1); | |
605 | vmw_write(dev_priv, SVGA_REG_DISPLAY_ID, 0); | |
606 | vmw_write(dev_priv, SVGA_REG_DISPLAY_IS_PRIMARY, true); | |
607 | vmw_write(dev_priv, SVGA_REG_DISPLAY_POSITION_X, 0); | |
608 | vmw_write(dev_priv, SVGA_REG_DISPLAY_POSITION_Y, 0); | |
609 | vmw_write(dev_priv, SVGA_REG_DISPLAY_WIDTH, 0); | |
610 | vmw_write(dev_priv, SVGA_REG_DISPLAY_HEIGHT, 0); | |
611 | vmw_write(dev_priv, SVGA_REG_DISPLAY_ID, SVGA_ID_INVALID); | |
612 | ||
613 | vmw_write(dev_priv, SVGA_REG_ENABLE, 1); | |
614 | vmw_write(dev_priv, SVGA_REG_WIDTH, vfb->base.width); | |
615 | vmw_write(dev_priv, SVGA_REG_HEIGHT, vfb->base.height); | |
616 | vmw_write(dev_priv, SVGA_REG_BITS_PER_PIXEL, vfb->base.bits_per_pixel); | |
617 | vmw_write(dev_priv, SVGA_REG_DEPTH, vfb->base.depth); | |
618 | vmw_write(dev_priv, SVGA_REG_RED_MASK, 0x00ff0000); | |
619 | vmw_write(dev_priv, SVGA_REG_GREEN_MASK, 0x0000ff00); | |
620 | vmw_write(dev_priv, SVGA_REG_BLUE_MASK, 0x000000ff); | |
621 | } else | |
622 | WARN_ON(true); | |
623 | ||
624 | vmw_overlay_resume_all(dev_priv); | |
625 | ||
626 | return 0; | |
627 | } | |
628 | ||
629 | static int vmw_framebuffer_dmabuf_unpin(struct vmw_framebuffer *vfb) | |
630 | { | |
631 | struct vmw_private *dev_priv = vmw_priv(vfb->base.dev); | |
632 | struct vmw_framebuffer_dmabuf *vfbd = | |
633 | vmw_framebuffer_to_vfbd(&vfb->base); | |
634 | ||
635 | if (!vfbd->buffer) { | |
636 | WARN_ON(!vfbd->buffer); | |
637 | return 0; | |
638 | } | |
639 | ||
640 | return vmw_dmabuf_from_vram(dev_priv, vfbd->buffer); | |
641 | } | |
642 | ||
643 | int vmw_kms_new_framebuffer_dmabuf(struct vmw_private *dev_priv, | |
644 | struct vmw_dma_buffer *dmabuf, | |
645 | struct vmw_framebuffer **out, | |
646 | unsigned width, unsigned height) | |
647 | ||
648 | { | |
649 | struct drm_device *dev = dev_priv->dev; | |
650 | struct vmw_framebuffer_dmabuf *vfbd; | |
651 | int ret; | |
652 | ||
653 | vfbd = kzalloc(sizeof(*vfbd), GFP_KERNEL); | |
654 | if (!vfbd) { | |
655 | ret = -ENOMEM; | |
656 | goto out_err1; | |
657 | } | |
658 | ||
659 | ret = drm_framebuffer_init(dev, &vfbd->base.base, | |
660 | &vmw_framebuffer_dmabuf_funcs); | |
661 | if (ret) | |
662 | goto out_err2; | |
663 | ||
664 | if (!vmw_dmabuf_reference(dmabuf)) { | |
665 | DRM_ERROR("failed to reference dmabuf %p\n", dmabuf); | |
666 | goto out_err3; | |
667 | } | |
668 | ||
669 | /* XXX get the first 3 from the surface info */ | |
670 | vfbd->base.base.bits_per_pixel = 32; | |
671 | vfbd->base.base.pitch = width * 32 / 4; | |
672 | vfbd->base.base.depth = 24; | |
673 | vfbd->base.base.width = width; | |
674 | vfbd->base.base.height = height; | |
675 | vfbd->base.pin = vmw_framebuffer_dmabuf_pin; | |
676 | vfbd->base.unpin = vmw_framebuffer_dmabuf_unpin; | |
677 | vfbd->buffer = dmabuf; | |
678 | *out = &vfbd->base; | |
679 | ||
680 | return 0; | |
681 | ||
682 | out_err3: | |
683 | drm_framebuffer_cleanup(&vfbd->base.base); | |
684 | out_err2: | |
685 | kfree(vfbd); | |
686 | out_err1: | |
687 | return ret; | |
688 | } | |
689 | ||
690 | /* | |
691 | * Generic Kernel modesetting functions | |
692 | */ | |
693 | ||
694 | static struct drm_framebuffer *vmw_kms_fb_create(struct drm_device *dev, | |
695 | struct drm_file *file_priv, | |
696 | struct drm_mode_fb_cmd *mode_cmd) | |
697 | { | |
698 | struct vmw_private *dev_priv = vmw_priv(dev); | |
699 | struct ttm_object_file *tfile = vmw_fpriv(file_priv)->tfile; | |
700 | struct vmw_framebuffer *vfb = NULL; | |
701 | struct vmw_surface *surface = NULL; | |
702 | struct vmw_dma_buffer *bo = NULL; | |
703 | int ret; | |
704 | ||
7a73ba74 TH |
705 | ret = vmw_user_surface_lookup_handle(dev_priv, tfile, |
706 | mode_cmd->handle, &surface); | |
fb1d9738 JB |
707 | if (ret) |
708 | goto try_dmabuf; | |
709 | ||
5ffdb658 JB |
710 | if (!surface->scanout) |
711 | goto err_not_scanout; | |
712 | ||
fb1d9738 JB |
713 | ret = vmw_kms_new_framebuffer_surface(dev_priv, surface, &vfb, |
714 | mode_cmd->width, mode_cmd->height); | |
715 | ||
716 | /* vmw_user_surface_lookup takes one ref so does new_fb */ | |
717 | vmw_surface_unreference(&surface); | |
718 | ||
719 | if (ret) { | |
720 | DRM_ERROR("failed to create vmw_framebuffer: %i\n", ret); | |
721 | return NULL; | |
722 | } | |
723 | return &vfb->base; | |
724 | ||
725 | try_dmabuf: | |
726 | DRM_INFO("%s: trying buffer\n", __func__); | |
727 | ||
728 | ret = vmw_user_dmabuf_lookup(tfile, mode_cmd->handle, &bo); | |
729 | if (ret) { | |
730 | DRM_ERROR("failed to find buffer: %i\n", ret); | |
731 | return NULL; | |
732 | } | |
733 | ||
734 | ret = vmw_kms_new_framebuffer_dmabuf(dev_priv, bo, &vfb, | |
735 | mode_cmd->width, mode_cmd->height); | |
736 | ||
737 | /* vmw_user_dmabuf_lookup takes one ref so does new_fb */ | |
738 | vmw_dmabuf_unreference(&bo); | |
739 | ||
740 | if (ret) { | |
741 | DRM_ERROR("failed to create vmw_framebuffer: %i\n", ret); | |
742 | return NULL; | |
743 | } | |
744 | ||
745 | return &vfb->base; | |
5ffdb658 JB |
746 | |
747 | err_not_scanout: | |
748 | DRM_ERROR("surface not marked as scanout\n"); | |
749 | /* vmw_user_surface_lookup takes one ref */ | |
750 | vmw_surface_unreference(&surface); | |
751 | ||
752 | return NULL; | |
fb1d9738 JB |
753 | } |
754 | ||
fb1d9738 JB |
755 | static struct drm_mode_config_funcs vmw_kms_funcs = { |
756 | .fb_create = vmw_kms_fb_create, | |
fb1d9738 JB |
757 | }; |
758 | ||
759 | int vmw_kms_init(struct vmw_private *dev_priv) | |
760 | { | |
761 | struct drm_device *dev = dev_priv->dev; | |
762 | int ret; | |
763 | ||
764 | drm_mode_config_init(dev); | |
765 | dev->mode_config.funcs = &vmw_kms_funcs; | |
3bef3572 JB |
766 | dev->mode_config.min_width = 1; |
767 | dev->mode_config.min_height = 1; | |
7e71f8a5 JB |
768 | /* assumed largest fb size */ |
769 | dev->mode_config.max_width = 8192; | |
770 | dev->mode_config.max_height = 8192; | |
fb1d9738 JB |
771 | |
772 | ret = vmw_kms_init_legacy_display_system(dev_priv); | |
773 | ||
774 | return 0; | |
775 | } | |
776 | ||
777 | int vmw_kms_close(struct vmw_private *dev_priv) | |
778 | { | |
779 | /* | |
780 | * Docs says we should take the lock before calling this function | |
781 | * but since it destroys encoders and our destructor calls | |
782 | * drm_encoder_cleanup which takes the lock we deadlock. | |
783 | */ | |
784 | drm_mode_config_cleanup(dev_priv->dev); | |
785 | vmw_kms_close_legacy_display_system(dev_priv); | |
786 | return 0; | |
787 | } | |
788 | ||
789 | int vmw_kms_cursor_bypass_ioctl(struct drm_device *dev, void *data, | |
790 | struct drm_file *file_priv) | |
791 | { | |
792 | struct drm_vmw_cursor_bypass_arg *arg = data; | |
793 | struct vmw_display_unit *du; | |
794 | struct drm_mode_object *obj; | |
795 | struct drm_crtc *crtc; | |
796 | int ret = 0; | |
797 | ||
798 | ||
799 | mutex_lock(&dev->mode_config.mutex); | |
800 | if (arg->flags & DRM_VMW_CURSOR_BYPASS_ALL) { | |
801 | ||
802 | list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) { | |
803 | du = vmw_crtc_to_du(crtc); | |
804 | du->hotspot_x = arg->xhot; | |
805 | du->hotspot_y = arg->yhot; | |
806 | } | |
807 | ||
808 | mutex_unlock(&dev->mode_config.mutex); | |
809 | return 0; | |
810 | } | |
811 | ||
812 | obj = drm_mode_object_find(dev, arg->crtc_id, DRM_MODE_OBJECT_CRTC); | |
813 | if (!obj) { | |
814 | ret = -EINVAL; | |
815 | goto out; | |
816 | } | |
817 | ||
818 | crtc = obj_to_crtc(obj); | |
819 | du = vmw_crtc_to_du(crtc); | |
820 | ||
821 | du->hotspot_x = arg->xhot; | |
822 | du->hotspot_y = arg->yhot; | |
823 | ||
824 | out: | |
825 | mutex_unlock(&dev->mode_config.mutex); | |
826 | ||
827 | return ret; | |
828 | } | |
829 | ||
830 | int vmw_kms_save_vga(struct vmw_private *vmw_priv) | |
831 | { | |
832 | /* | |
833 | * setup a single multimon monitor with the size | |
834 | * of 0x0, this stops the UI from resizing when we | |
835 | * change the framebuffer size | |
836 | */ | |
837 | if (vmw_priv->capabilities & SVGA_CAP_MULTIMON) { | |
838 | vmw_write(vmw_priv, SVGA_REG_NUM_GUEST_DISPLAYS, 1); | |
839 | vmw_write(vmw_priv, SVGA_REG_DISPLAY_ID, 0); | |
840 | vmw_write(vmw_priv, SVGA_REG_DISPLAY_IS_PRIMARY, true); | |
841 | vmw_write(vmw_priv, SVGA_REG_DISPLAY_POSITION_X, 0); | |
842 | vmw_write(vmw_priv, SVGA_REG_DISPLAY_POSITION_Y, 0); | |
843 | vmw_write(vmw_priv, SVGA_REG_DISPLAY_WIDTH, 0); | |
844 | vmw_write(vmw_priv, SVGA_REG_DISPLAY_HEIGHT, 0); | |
845 | vmw_write(vmw_priv, SVGA_REG_DISPLAY_ID, SVGA_ID_INVALID); | |
846 | } | |
847 | ||
848 | vmw_priv->vga_width = vmw_read(vmw_priv, SVGA_REG_WIDTH); | |
849 | vmw_priv->vga_height = vmw_read(vmw_priv, SVGA_REG_HEIGHT); | |
850 | vmw_priv->vga_bpp = vmw_read(vmw_priv, SVGA_REG_BITS_PER_PIXEL); | |
851 | vmw_priv->vga_depth = vmw_read(vmw_priv, SVGA_REG_DEPTH); | |
852 | vmw_priv->vga_pseudo = vmw_read(vmw_priv, SVGA_REG_PSEUDOCOLOR); | |
853 | vmw_priv->vga_red_mask = vmw_read(vmw_priv, SVGA_REG_RED_MASK); | |
854 | vmw_priv->vga_green_mask = vmw_read(vmw_priv, SVGA_REG_GREEN_MASK); | |
855 | vmw_priv->vga_blue_mask = vmw_read(vmw_priv, SVGA_REG_BLUE_MASK); | |
856 | ||
857 | return 0; | |
858 | } | |
859 | ||
860 | int vmw_kms_restore_vga(struct vmw_private *vmw_priv) | |
861 | { | |
862 | vmw_write(vmw_priv, SVGA_REG_WIDTH, vmw_priv->vga_width); | |
863 | vmw_write(vmw_priv, SVGA_REG_HEIGHT, vmw_priv->vga_height); | |
864 | vmw_write(vmw_priv, SVGA_REG_BITS_PER_PIXEL, vmw_priv->vga_bpp); | |
865 | vmw_write(vmw_priv, SVGA_REG_DEPTH, vmw_priv->vga_depth); | |
866 | vmw_write(vmw_priv, SVGA_REG_PSEUDOCOLOR, vmw_priv->vga_pseudo); | |
867 | vmw_write(vmw_priv, SVGA_REG_RED_MASK, vmw_priv->vga_red_mask); | |
868 | vmw_write(vmw_priv, SVGA_REG_GREEN_MASK, vmw_priv->vga_green_mask); | |
869 | vmw_write(vmw_priv, SVGA_REG_BLUE_MASK, vmw_priv->vga_blue_mask); | |
870 | ||
871 | /* TODO check for multimon */ | |
872 | vmw_write(vmw_priv, SVGA_REG_NUM_GUEST_DISPLAYS, 0); | |
873 | ||
874 | return 0; | |
875 | } |