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771fe6b9 JG |
1 | /* |
2 | * Copyright 2008 Advanced Micro Devices, Inc. | |
3 | * Copyright 2008 Red Hat Inc. | |
4 | * Copyright 2009 Jerome Glisse. | |
5 | * | |
6 | * Permission is hereby granted, free of charge, to any person obtaining a | |
7 | * copy of this software and associated documentation files (the "Software"), | |
8 | * to deal in the Software without restriction, including without limitation | |
9 | * the rights to use, copy, modify, merge, publish, distribute, sublicense, | |
10 | * and/or sell copies of the Software, and to permit persons to whom the | |
11 | * Software is furnished to do so, subject to the following conditions: | |
12 | * | |
13 | * The above copyright notice and this permission notice shall be included in | |
14 | * all copies or substantial portions of the Software. | |
15 | * | |
16 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | |
17 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | |
18 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL | |
19 | * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR | |
20 | * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, | |
21 | * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR | |
22 | * OTHER DEALINGS IN THE SOFTWARE. | |
23 | * | |
24 | * Authors: Dave Airlie | |
25 | * Alex Deucher | |
26 | * Jerome Glisse | |
27 | */ | |
28 | #include "drmP.h" | |
29 | #include "drm.h" | |
30 | #include "radeon_drm.h" | |
31 | #include "radeon.h" | |
32 | ||
33 | int radeon_gem_object_init(struct drm_gem_object *obj) | |
34 | { | |
35 | /* we do nothings here */ | |
36 | return 0; | |
37 | } | |
38 | ||
39 | void radeon_gem_object_free(struct drm_gem_object *gobj) | |
40 | { | |
4c788679 | 41 | struct radeon_bo *robj = gobj->driver_private; |
771fe6b9 JG |
42 | |
43 | gobj->driver_private = NULL; | |
44 | if (robj) { | |
4c788679 | 45 | radeon_bo_unref(&robj); |
771fe6b9 JG |
46 | } |
47 | } | |
48 | ||
49 | int radeon_gem_object_create(struct radeon_device *rdev, int size, | |
4c788679 JG |
50 | int alignment, int initial_domain, |
51 | bool discardable, bool kernel, | |
52 | struct drm_gem_object **obj) | |
771fe6b9 JG |
53 | { |
54 | struct drm_gem_object *gobj; | |
4c788679 | 55 | struct radeon_bo *robj; |
771fe6b9 JG |
56 | int r; |
57 | ||
58 | *obj = NULL; | |
59 | gobj = drm_gem_object_alloc(rdev->ddev, size); | |
60 | if (!gobj) { | |
61 | return -ENOMEM; | |
62 | } | |
63 | /* At least align on page size */ | |
64 | if (alignment < PAGE_SIZE) { | |
65 | alignment = PAGE_SIZE; | |
66 | } | |
4c788679 | 67 | r = radeon_bo_create(rdev, gobj, size, kernel, initial_domain, &robj); |
771fe6b9 JG |
68 | if (r) { |
69 | DRM_ERROR("Failed to allocate GEM object (%d, %d, %u)\n", | |
70 | size, initial_domain, alignment); | |
71 | mutex_lock(&rdev->ddev->struct_mutex); | |
72 | drm_gem_object_unreference(gobj); | |
73 | mutex_unlock(&rdev->ddev->struct_mutex); | |
74 | return r; | |
75 | } | |
76 | gobj->driver_private = robj; | |
77 | *obj = gobj; | |
78 | return 0; | |
79 | } | |
80 | ||
81 | int radeon_gem_object_pin(struct drm_gem_object *obj, uint32_t pin_domain, | |
82 | uint64_t *gpu_addr) | |
83 | { | |
4c788679 JG |
84 | struct radeon_bo *robj = obj->driver_private; |
85 | int r; | |
771fe6b9 | 86 | |
4c788679 JG |
87 | r = radeon_bo_reserve(robj, false); |
88 | if (unlikely(r != 0)) | |
89 | return r; | |
90 | r = radeon_bo_pin(robj, pin_domain, gpu_addr); | |
91 | radeon_bo_unreserve(robj); | |
92 | return r; | |
771fe6b9 JG |
93 | } |
94 | ||
95 | void radeon_gem_object_unpin(struct drm_gem_object *obj) | |
96 | { | |
4c788679 JG |
97 | struct radeon_bo *robj = obj->driver_private; |
98 | int r; | |
99 | ||
100 | r = radeon_bo_reserve(robj, false); | |
101 | if (likely(r == 0)) { | |
102 | radeon_bo_unpin(robj); | |
103 | radeon_bo_unreserve(robj); | |
104 | } | |
771fe6b9 JG |
105 | } |
106 | ||
107 | int radeon_gem_set_domain(struct drm_gem_object *gobj, | |
108 | uint32_t rdomain, uint32_t wdomain) | |
109 | { | |
4c788679 | 110 | struct radeon_bo *robj; |
771fe6b9 JG |
111 | uint32_t domain; |
112 | int r; | |
113 | ||
114 | /* FIXME: reeimplement */ | |
115 | robj = gobj->driver_private; | |
116 | /* work out where to validate the buffer to */ | |
117 | domain = wdomain; | |
118 | if (!domain) { | |
119 | domain = rdomain; | |
120 | } | |
121 | if (!domain) { | |
122 | /* Do nothings */ | |
123 | printk(KERN_WARNING "Set domain withou domain !\n"); | |
124 | return 0; | |
125 | } | |
126 | if (domain == RADEON_GEM_DOMAIN_CPU) { | |
127 | /* Asking for cpu access wait for object idle */ | |
4c788679 | 128 | r = radeon_bo_wait(robj, NULL, false); |
771fe6b9 JG |
129 | if (r) { |
130 | printk(KERN_ERR "Failed to wait for object !\n"); | |
131 | return r; | |
132 | } | |
4c788679 | 133 | radeon_hdp_flush(robj->rdev); |
771fe6b9 JG |
134 | } |
135 | return 0; | |
136 | } | |
137 | ||
138 | int radeon_gem_init(struct radeon_device *rdev) | |
139 | { | |
140 | INIT_LIST_HEAD(&rdev->gem.objects); | |
141 | return 0; | |
142 | } | |
143 | ||
144 | void radeon_gem_fini(struct radeon_device *rdev) | |
145 | { | |
4c788679 | 146 | radeon_bo_force_delete(rdev); |
771fe6b9 JG |
147 | } |
148 | ||
149 | ||
150 | /* | |
151 | * GEM ioctls. | |
152 | */ | |
153 | int radeon_gem_info_ioctl(struct drm_device *dev, void *data, | |
154 | struct drm_file *filp) | |
155 | { | |
156 | struct radeon_device *rdev = dev->dev_private; | |
157 | struct drm_radeon_gem_info *args = data; | |
158 | ||
7a50f01a | 159 | args->vram_size = rdev->mc.real_vram_size; |
38e14921 MD |
160 | args->vram_visible = rdev->mc.real_vram_size; |
161 | if (rdev->stollen_vga_memory) | |
4c788679 JG |
162 | args->vram_visible -= radeon_bo_size(rdev->stollen_vga_memory); |
163 | if (rdev->fbdev_rbo) | |
164 | args->vram_visible -= radeon_bo_size(rdev->fbdev_rbo); | |
38e14921 MD |
165 | args->gart_size = rdev->mc.gtt_size - rdev->cp.ring_size - 4096 - |
166 | RADEON_IB_POOL_SIZE*64*1024; | |
771fe6b9 JG |
167 | return 0; |
168 | } | |
169 | ||
170 | int radeon_gem_pread_ioctl(struct drm_device *dev, void *data, | |
171 | struct drm_file *filp) | |
172 | { | |
173 | /* TODO: implement */ | |
174 | DRM_ERROR("unimplemented %s\n", __func__); | |
175 | return -ENOSYS; | |
176 | } | |
177 | ||
178 | int radeon_gem_pwrite_ioctl(struct drm_device *dev, void *data, | |
179 | struct drm_file *filp) | |
180 | { | |
181 | /* TODO: implement */ | |
182 | DRM_ERROR("unimplemented %s\n", __func__); | |
183 | return -ENOSYS; | |
184 | } | |
185 | ||
186 | int radeon_gem_create_ioctl(struct drm_device *dev, void *data, | |
187 | struct drm_file *filp) | |
188 | { | |
189 | struct radeon_device *rdev = dev->dev_private; | |
190 | struct drm_radeon_gem_create *args = data; | |
191 | struct drm_gem_object *gobj; | |
192 | uint32_t handle; | |
193 | int r; | |
194 | ||
195 | /* create a gem object to contain this object in */ | |
196 | args->size = roundup(args->size, PAGE_SIZE); | |
197 | r = radeon_gem_object_create(rdev, args->size, args->alignment, | |
4c788679 JG |
198 | args->initial_domain, false, |
199 | false, &gobj); | |
771fe6b9 JG |
200 | if (r) { |
201 | return r; | |
202 | } | |
203 | r = drm_gem_handle_create(filp, gobj, &handle); | |
204 | if (r) { | |
205 | mutex_lock(&dev->struct_mutex); | |
206 | drm_gem_object_unreference(gobj); | |
207 | mutex_unlock(&dev->struct_mutex); | |
208 | return r; | |
209 | } | |
210 | mutex_lock(&dev->struct_mutex); | |
211 | drm_gem_object_handle_unreference(gobj); | |
212 | mutex_unlock(&dev->struct_mutex); | |
213 | args->handle = handle; | |
214 | return 0; | |
215 | } | |
216 | ||
217 | int radeon_gem_set_domain_ioctl(struct drm_device *dev, void *data, | |
218 | struct drm_file *filp) | |
219 | { | |
220 | /* transition the BO to a domain - | |
221 | * just validate the BO into a certain domain */ | |
222 | struct drm_radeon_gem_set_domain *args = data; | |
223 | struct drm_gem_object *gobj; | |
4c788679 | 224 | struct radeon_bo *robj; |
771fe6b9 JG |
225 | int r; |
226 | ||
227 | /* for now if someone requests domain CPU - | |
228 | * just make sure the buffer is finished with */ | |
229 | ||
230 | /* just do a BO wait for now */ | |
231 | gobj = drm_gem_object_lookup(dev, filp, args->handle); | |
232 | if (gobj == NULL) { | |
233 | return -EINVAL; | |
234 | } | |
235 | robj = gobj->driver_private; | |
236 | ||
237 | r = radeon_gem_set_domain(gobj, args->read_domains, args->write_domain); | |
238 | ||
239 | mutex_lock(&dev->struct_mutex); | |
240 | drm_gem_object_unreference(gobj); | |
241 | mutex_unlock(&dev->struct_mutex); | |
242 | return r; | |
243 | } | |
244 | ||
245 | int radeon_gem_mmap_ioctl(struct drm_device *dev, void *data, | |
246 | struct drm_file *filp) | |
247 | { | |
248 | struct drm_radeon_gem_mmap *args = data; | |
249 | struct drm_gem_object *gobj; | |
4c788679 | 250 | struct radeon_bo *robj; |
771fe6b9 JG |
251 | |
252 | gobj = drm_gem_object_lookup(dev, filp, args->handle); | |
253 | if (gobj == NULL) { | |
254 | return -EINVAL; | |
255 | } | |
256 | robj = gobj->driver_private; | |
4c788679 | 257 | args->addr_ptr = radeon_bo_mmap_offset(robj); |
771fe6b9 JG |
258 | mutex_lock(&dev->struct_mutex); |
259 | drm_gem_object_unreference(gobj); | |
260 | mutex_unlock(&dev->struct_mutex); | |
4c788679 | 261 | return 0; |
771fe6b9 JG |
262 | } |
263 | ||
264 | int radeon_gem_busy_ioctl(struct drm_device *dev, void *data, | |
265 | struct drm_file *filp) | |
266 | { | |
cefb87ef DA |
267 | struct drm_radeon_gem_busy *args = data; |
268 | struct drm_gem_object *gobj; | |
4c788679 | 269 | struct radeon_bo *robj; |
cefb87ef DA |
270 | int r; |
271 | uint32_t cur_placement; | |
272 | ||
273 | gobj = drm_gem_object_lookup(dev, filp, args->handle); | |
274 | if (gobj == NULL) { | |
275 | return -EINVAL; | |
276 | } | |
277 | robj = gobj->driver_private; | |
4c788679 | 278 | r = radeon_bo_wait(robj, &cur_placement, true); |
9f844e51 MD |
279 | switch (cur_placement) { |
280 | case TTM_PL_VRAM: | |
cefb87ef | 281 | args->domain = RADEON_GEM_DOMAIN_VRAM; |
9f844e51 MD |
282 | break; |
283 | case TTM_PL_TT: | |
cefb87ef | 284 | args->domain = RADEON_GEM_DOMAIN_GTT; |
9f844e51 MD |
285 | break; |
286 | case TTM_PL_SYSTEM: | |
cefb87ef | 287 | args->domain = RADEON_GEM_DOMAIN_CPU; |
9f844e51 MD |
288 | default: |
289 | break; | |
290 | } | |
cefb87ef DA |
291 | mutex_lock(&dev->struct_mutex); |
292 | drm_gem_object_unreference(gobj); | |
293 | mutex_unlock(&dev->struct_mutex); | |
e3b2415e | 294 | return r; |
771fe6b9 JG |
295 | } |
296 | ||
297 | int radeon_gem_wait_idle_ioctl(struct drm_device *dev, void *data, | |
298 | struct drm_file *filp) | |
299 | { | |
300 | struct drm_radeon_gem_wait_idle *args = data; | |
301 | struct drm_gem_object *gobj; | |
4c788679 | 302 | struct radeon_bo *robj; |
771fe6b9 JG |
303 | int r; |
304 | ||
305 | gobj = drm_gem_object_lookup(dev, filp, args->handle); | |
306 | if (gobj == NULL) { | |
307 | return -EINVAL; | |
308 | } | |
309 | robj = gobj->driver_private; | |
4c788679 | 310 | r = radeon_bo_wait(robj, NULL, false); |
771fe6b9 JG |
311 | mutex_lock(&dev->struct_mutex); |
312 | drm_gem_object_unreference(gobj); | |
313 | mutex_unlock(&dev->struct_mutex); | |
4c788679 | 314 | radeon_hdp_flush(robj->rdev); |
771fe6b9 JG |
315 | return r; |
316 | } | |
e024e110 DA |
317 | |
318 | int radeon_gem_set_tiling_ioctl(struct drm_device *dev, void *data, | |
319 | struct drm_file *filp) | |
320 | { | |
321 | struct drm_radeon_gem_set_tiling *args = data; | |
322 | struct drm_gem_object *gobj; | |
4c788679 | 323 | struct radeon_bo *robj; |
e024e110 DA |
324 | int r = 0; |
325 | ||
326 | DRM_DEBUG("%d \n", args->handle); | |
327 | gobj = drm_gem_object_lookup(dev, filp, args->handle); | |
328 | if (gobj == NULL) | |
329 | return -EINVAL; | |
330 | robj = gobj->driver_private; | |
4c788679 | 331 | r = radeon_bo_set_tiling_flags(robj, args->tiling_flags, args->pitch); |
e024e110 DA |
332 | mutex_lock(&dev->struct_mutex); |
333 | drm_gem_object_unreference(gobj); | |
334 | mutex_unlock(&dev->struct_mutex); | |
335 | return r; | |
336 | } | |
337 | ||
338 | int radeon_gem_get_tiling_ioctl(struct drm_device *dev, void *data, | |
339 | struct drm_file *filp) | |
340 | { | |
341 | struct drm_radeon_gem_get_tiling *args = data; | |
342 | struct drm_gem_object *gobj; | |
4c788679 | 343 | struct radeon_bo *rbo; |
e024e110 DA |
344 | int r = 0; |
345 | ||
346 | DRM_DEBUG("\n"); | |
347 | gobj = drm_gem_object_lookup(dev, filp, args->handle); | |
348 | if (gobj == NULL) | |
349 | return -EINVAL; | |
4c788679 JG |
350 | rbo = gobj->driver_private; |
351 | r = radeon_bo_reserve(rbo, false); | |
352 | if (unlikely(r != 0)) | |
353 | return r; | |
354 | radeon_bo_get_tiling_flags(rbo, &args->tiling_flags, &args->pitch); | |
355 | radeon_bo_unreserve(rbo); | |
e024e110 DA |
356 | mutex_lock(&dev->struct_mutex); |
357 | drm_gem_object_unreference(gobj); | |
358 | mutex_unlock(&dev->struct_mutex); | |
359 | return r; | |
360 | } |