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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 | { | |
41 | struct radeon_object *robj = gobj->driver_private; | |
42 | ||
43 | gobj->driver_private = NULL; | |
44 | if (robj) { | |
45 | radeon_object_unref(&robj); | |
46 | } | |
47 | } | |
48 | ||
49 | int radeon_gem_object_create(struct radeon_device *rdev, int size, | |
50 | int alignment, int initial_domain, | |
51 | bool discardable, bool kernel, | |
52 | bool interruptible, | |
53 | struct drm_gem_object **obj) | |
54 | { | |
55 | struct drm_gem_object *gobj; | |
56 | struct radeon_object *robj; | |
57 | int r; | |
58 | ||
59 | *obj = NULL; | |
60 | gobj = drm_gem_object_alloc(rdev->ddev, size); | |
61 | if (!gobj) { | |
62 | return -ENOMEM; | |
63 | } | |
64 | /* At least align on page size */ | |
65 | if (alignment < PAGE_SIZE) { | |
66 | alignment = PAGE_SIZE; | |
67 | } | |
68 | r = radeon_object_create(rdev, gobj, size, kernel, initial_domain, | |
69 | interruptible, &robj); | |
70 | if (r) { | |
71 | DRM_ERROR("Failed to allocate GEM object (%d, %d, %u)\n", | |
72 | size, initial_domain, alignment); | |
73 | mutex_lock(&rdev->ddev->struct_mutex); | |
74 | drm_gem_object_unreference(gobj); | |
75 | mutex_unlock(&rdev->ddev->struct_mutex); | |
76 | return r; | |
77 | } | |
78 | gobj->driver_private = robj; | |
79 | *obj = gobj; | |
80 | return 0; | |
81 | } | |
82 | ||
83 | int radeon_gem_object_pin(struct drm_gem_object *obj, uint32_t pin_domain, | |
84 | uint64_t *gpu_addr) | |
85 | { | |
86 | struct radeon_object *robj = obj->driver_private; | |
87 | uint32_t flags; | |
88 | ||
89 | switch (pin_domain) { | |
90 | case RADEON_GEM_DOMAIN_VRAM: | |
91 | flags = TTM_PL_FLAG_VRAM; | |
92 | break; | |
93 | case RADEON_GEM_DOMAIN_GTT: | |
94 | flags = TTM_PL_FLAG_TT; | |
95 | break; | |
96 | default: | |
97 | flags = TTM_PL_FLAG_SYSTEM; | |
98 | break; | |
99 | } | |
100 | return radeon_object_pin(robj, flags, gpu_addr); | |
101 | } | |
102 | ||
103 | void radeon_gem_object_unpin(struct drm_gem_object *obj) | |
104 | { | |
105 | struct radeon_object *robj = obj->driver_private; | |
106 | radeon_object_unpin(robj); | |
107 | } | |
108 | ||
109 | int radeon_gem_set_domain(struct drm_gem_object *gobj, | |
110 | uint32_t rdomain, uint32_t wdomain) | |
111 | { | |
112 | struct radeon_object *robj; | |
113 | uint32_t domain; | |
114 | int r; | |
115 | ||
116 | /* FIXME: reeimplement */ | |
117 | robj = gobj->driver_private; | |
118 | /* work out where to validate the buffer to */ | |
119 | domain = wdomain; | |
120 | if (!domain) { | |
121 | domain = rdomain; | |
122 | } | |
123 | if (!domain) { | |
124 | /* Do nothings */ | |
125 | printk(KERN_WARNING "Set domain withou domain !\n"); | |
126 | return 0; | |
127 | } | |
128 | if (domain == RADEON_GEM_DOMAIN_CPU) { | |
129 | /* Asking for cpu access wait for object idle */ | |
130 | r = radeon_object_wait(robj); | |
131 | if (r) { | |
132 | printk(KERN_ERR "Failed to wait for object !\n"); | |
133 | return r; | |
134 | } | |
135 | } | |
136 | return 0; | |
137 | } | |
138 | ||
139 | int radeon_gem_init(struct radeon_device *rdev) | |
140 | { | |
141 | INIT_LIST_HEAD(&rdev->gem.objects); | |
142 | return 0; | |
143 | } | |
144 | ||
145 | void radeon_gem_fini(struct radeon_device *rdev) | |
146 | { | |
147 | radeon_object_force_delete(rdev); | |
148 | } | |
149 | ||
150 | ||
151 | /* | |
152 | * GEM ioctls. | |
153 | */ | |
154 | int radeon_gem_info_ioctl(struct drm_device *dev, void *data, | |
155 | struct drm_file *filp) | |
156 | { | |
157 | struct radeon_device *rdev = dev->dev_private; | |
158 | struct drm_radeon_gem_info *args = data; | |
159 | ||
7a50f01a | 160 | args->vram_size = rdev->mc.real_vram_size; |
771fe6b9 | 161 | /* FIXME: report somethings that makes sense */ |
7a50f01a | 162 | args->vram_visible = rdev->mc.real_vram_size - (4 * 1024 * 1024); |
771fe6b9 JG |
163 | args->gart_size = rdev->mc.gtt_size; |
164 | return 0; | |
165 | } | |
166 | ||
167 | int radeon_gem_pread_ioctl(struct drm_device *dev, void *data, | |
168 | struct drm_file *filp) | |
169 | { | |
170 | /* TODO: implement */ | |
171 | DRM_ERROR("unimplemented %s\n", __func__); | |
172 | return -ENOSYS; | |
173 | } | |
174 | ||
175 | int radeon_gem_pwrite_ioctl(struct drm_device *dev, void *data, | |
176 | struct drm_file *filp) | |
177 | { | |
178 | /* TODO: implement */ | |
179 | DRM_ERROR("unimplemented %s\n", __func__); | |
180 | return -ENOSYS; | |
181 | } | |
182 | ||
183 | int radeon_gem_create_ioctl(struct drm_device *dev, void *data, | |
184 | struct drm_file *filp) | |
185 | { | |
186 | struct radeon_device *rdev = dev->dev_private; | |
187 | struct drm_radeon_gem_create *args = data; | |
188 | struct drm_gem_object *gobj; | |
189 | uint32_t handle; | |
190 | int r; | |
191 | ||
192 | /* create a gem object to contain this object in */ | |
193 | args->size = roundup(args->size, PAGE_SIZE); | |
194 | r = radeon_gem_object_create(rdev, args->size, args->alignment, | |
195 | args->initial_domain, false, | |
196 | false, true, &gobj); | |
197 | if (r) { | |
198 | return r; | |
199 | } | |
200 | r = drm_gem_handle_create(filp, gobj, &handle); | |
201 | if (r) { | |
202 | mutex_lock(&dev->struct_mutex); | |
203 | drm_gem_object_unreference(gobj); | |
204 | mutex_unlock(&dev->struct_mutex); | |
205 | return r; | |
206 | } | |
207 | mutex_lock(&dev->struct_mutex); | |
208 | drm_gem_object_handle_unreference(gobj); | |
209 | mutex_unlock(&dev->struct_mutex); | |
210 | args->handle = handle; | |
211 | return 0; | |
212 | } | |
213 | ||
214 | int radeon_gem_set_domain_ioctl(struct drm_device *dev, void *data, | |
215 | struct drm_file *filp) | |
216 | { | |
217 | /* transition the BO to a domain - | |
218 | * just validate the BO into a certain domain */ | |
219 | struct drm_radeon_gem_set_domain *args = data; | |
220 | struct drm_gem_object *gobj; | |
221 | struct radeon_object *robj; | |
222 | int r; | |
223 | ||
224 | /* for now if someone requests domain CPU - | |
225 | * just make sure the buffer is finished with */ | |
226 | ||
227 | /* just do a BO wait for now */ | |
228 | gobj = drm_gem_object_lookup(dev, filp, args->handle); | |
229 | if (gobj == NULL) { | |
230 | return -EINVAL; | |
231 | } | |
232 | robj = gobj->driver_private; | |
233 | ||
234 | r = radeon_gem_set_domain(gobj, args->read_domains, args->write_domain); | |
235 | ||
236 | mutex_lock(&dev->struct_mutex); | |
237 | drm_gem_object_unreference(gobj); | |
238 | mutex_unlock(&dev->struct_mutex); | |
239 | return r; | |
240 | } | |
241 | ||
242 | int radeon_gem_mmap_ioctl(struct drm_device *dev, void *data, | |
243 | struct drm_file *filp) | |
244 | { | |
245 | struct drm_radeon_gem_mmap *args = data; | |
246 | struct drm_gem_object *gobj; | |
247 | struct radeon_object *robj; | |
248 | int r; | |
249 | ||
250 | gobj = drm_gem_object_lookup(dev, filp, args->handle); | |
251 | if (gobj == NULL) { | |
252 | return -EINVAL; | |
253 | } | |
254 | robj = gobj->driver_private; | |
255 | r = radeon_object_mmap(robj, &args->addr_ptr); | |
256 | mutex_lock(&dev->struct_mutex); | |
257 | drm_gem_object_unreference(gobj); | |
258 | mutex_unlock(&dev->struct_mutex); | |
259 | return r; | |
260 | } | |
261 | ||
262 | int radeon_gem_busy_ioctl(struct drm_device *dev, void *data, | |
263 | struct drm_file *filp) | |
264 | { | |
cefb87ef DA |
265 | struct drm_radeon_gem_busy *args = data; |
266 | struct drm_gem_object *gobj; | |
267 | struct radeon_object *robj; | |
268 | int r; | |
269 | uint32_t cur_placement; | |
270 | ||
271 | gobj = drm_gem_object_lookup(dev, filp, args->handle); | |
272 | if (gobj == NULL) { | |
273 | return -EINVAL; | |
274 | } | |
275 | robj = gobj->driver_private; | |
276 | r = radeon_object_busy_domain(robj, &cur_placement); | |
9f844e51 MD |
277 | switch (cur_placement) { |
278 | case TTM_PL_VRAM: | |
cefb87ef | 279 | args->domain = RADEON_GEM_DOMAIN_VRAM; |
9f844e51 MD |
280 | break; |
281 | case TTM_PL_TT: | |
cefb87ef | 282 | args->domain = RADEON_GEM_DOMAIN_GTT; |
9f844e51 MD |
283 | break; |
284 | case TTM_PL_SYSTEM: | |
cefb87ef | 285 | args->domain = RADEON_GEM_DOMAIN_CPU; |
9f844e51 MD |
286 | default: |
287 | break; | |
288 | } | |
cefb87ef DA |
289 | mutex_lock(&dev->struct_mutex); |
290 | drm_gem_object_unreference(gobj); | |
291 | mutex_unlock(&dev->struct_mutex); | |
e3b2415e | 292 | return r; |
771fe6b9 JG |
293 | } |
294 | ||
295 | int radeon_gem_wait_idle_ioctl(struct drm_device *dev, void *data, | |
296 | struct drm_file *filp) | |
297 | { | |
298 | struct drm_radeon_gem_wait_idle *args = data; | |
299 | struct drm_gem_object *gobj; | |
300 | struct radeon_object *robj; | |
301 | int r; | |
302 | ||
303 | gobj = drm_gem_object_lookup(dev, filp, args->handle); | |
304 | if (gobj == NULL) { | |
305 | return -EINVAL; | |
306 | } | |
307 | robj = gobj->driver_private; | |
308 | r = radeon_object_wait(robj); | |
309 | mutex_lock(&dev->struct_mutex); | |
310 | drm_gem_object_unreference(gobj); | |
311 | mutex_unlock(&dev->struct_mutex); | |
312 | return r; | |
313 | } | |
e024e110 DA |
314 | |
315 | int radeon_gem_set_tiling_ioctl(struct drm_device *dev, void *data, | |
316 | struct drm_file *filp) | |
317 | { | |
318 | struct drm_radeon_gem_set_tiling *args = data; | |
319 | struct drm_gem_object *gobj; | |
320 | struct radeon_object *robj; | |
321 | int r = 0; | |
322 | ||
323 | DRM_DEBUG("%d \n", args->handle); | |
324 | gobj = drm_gem_object_lookup(dev, filp, args->handle); | |
325 | if (gobj == NULL) | |
326 | return -EINVAL; | |
327 | robj = gobj->driver_private; | |
328 | radeon_object_set_tiling_flags(robj, args->tiling_flags, args->pitch); | |
329 | mutex_lock(&dev->struct_mutex); | |
330 | drm_gem_object_unreference(gobj); | |
331 | mutex_unlock(&dev->struct_mutex); | |
332 | return r; | |
333 | } | |
334 | ||
335 | int radeon_gem_get_tiling_ioctl(struct drm_device *dev, void *data, | |
336 | struct drm_file *filp) | |
337 | { | |
338 | struct drm_radeon_gem_get_tiling *args = data; | |
339 | struct drm_gem_object *gobj; | |
340 | struct radeon_object *robj; | |
341 | int r = 0; | |
342 | ||
343 | DRM_DEBUG("\n"); | |
344 | gobj = drm_gem_object_lookup(dev, filp, args->handle); | |
345 | if (gobj == NULL) | |
346 | return -EINVAL; | |
347 | robj = gobj->driver_private; | |
348 | radeon_object_get_tiling_flags(robj, &args->tiling_flags, | |
349 | &args->pitch); | |
350 | mutex_lock(&dev->struct_mutex); | |
351 | drm_gem_object_unreference(gobj); | |
352 | mutex_unlock(&dev->struct_mutex); | |
353 | return r; | |
354 | } |