2 * Copyright 2008 Advanced Micro Devices, Inc.
3 * Copyright 2008 Red Hat Inc.
4 * Copyright 2009 Jerome Glisse.
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:
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
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.
24 * Authors: Dave Airlie
30 #include "radeon_drm.h"
33 int radeon_gem_object_init(struct drm_gem_object *obj)
40 void radeon_gem_object_free(struct drm_gem_object *gobj)
42 struct radeon_bo *robj = gobj->driver_private;
44 gobj->driver_private = NULL;
46 radeon_bo_unref(&robj);
50 int radeon_gem_object_create(struct radeon_device *rdev, int size,
51 int alignment, int initial_domain,
52 bool discardable, bool kernel,
53 struct drm_gem_object **obj)
55 struct radeon_bo *robj;
59 /* At least align on page size */
60 if (alignment < PAGE_SIZE) {
61 alignment = PAGE_SIZE;
63 r = radeon_bo_create(rdev, size, alignment, kernel, initial_domain, &robj);
65 if (r != -ERESTARTSYS)
66 DRM_ERROR("Failed to allocate GEM object (%d, %d, %u, %d)\n",
67 size, initial_domain, alignment, r);
70 *obj = &robj->gem_base;
72 mutex_lock(&rdev->gem.mutex);
73 list_add_tail(&robj->list, &rdev->gem.objects);
74 mutex_unlock(&rdev->gem.mutex);
79 int radeon_gem_object_pin(struct drm_gem_object *obj, uint32_t pin_domain,
82 struct radeon_bo *robj = obj->driver_private;
85 r = radeon_bo_reserve(robj, false);
88 r = radeon_bo_pin(robj, pin_domain, gpu_addr);
89 radeon_bo_unreserve(robj);
93 void radeon_gem_object_unpin(struct drm_gem_object *obj)
95 struct radeon_bo *robj = obj->driver_private;
98 r = radeon_bo_reserve(robj, false);
100 radeon_bo_unpin(robj);
101 radeon_bo_unreserve(robj);
105 int radeon_gem_set_domain(struct drm_gem_object *gobj,
106 uint32_t rdomain, uint32_t wdomain)
108 struct radeon_bo *robj;
112 /* FIXME: reeimplement */
113 robj = gobj->driver_private;
114 /* work out where to validate the buffer to */
121 printk(KERN_WARNING "Set domain withou domain !\n");
124 if (domain == RADEON_GEM_DOMAIN_CPU) {
125 /* Asking for cpu access wait for object idle */
126 r = radeon_bo_wait(robj, NULL, false);
128 printk(KERN_ERR "Failed to wait for object !\n");
135 int radeon_gem_init(struct radeon_device *rdev)
137 INIT_LIST_HEAD(&rdev->gem.objects);
141 void radeon_gem_fini(struct radeon_device *rdev)
143 radeon_bo_force_delete(rdev);
150 int radeon_gem_info_ioctl(struct drm_device *dev, void *data,
151 struct drm_file *filp)
153 struct radeon_device *rdev = dev->dev_private;
154 struct drm_radeon_gem_info *args = data;
156 args->vram_size = rdev->mc.real_vram_size;
157 args->vram_visible = rdev->mc.real_vram_size;
158 if (rdev->stollen_vga_memory)
159 args->vram_visible -= radeon_bo_size(rdev->stollen_vga_memory);
160 args->vram_visible -= radeon_fbdev_total_size(rdev);
161 args->gart_size = rdev->mc.gtt_size - rdev->cp.ring_size - 4096 -
162 RADEON_IB_POOL_SIZE*64*1024;
166 int radeon_gem_pread_ioctl(struct drm_device *dev, void *data,
167 struct drm_file *filp)
169 /* TODO: implement */
170 DRM_ERROR("unimplemented %s\n", __func__);
174 int radeon_gem_pwrite_ioctl(struct drm_device *dev, void *data,
175 struct drm_file *filp)
177 /* TODO: implement */
178 DRM_ERROR("unimplemented %s\n", __func__);
182 int radeon_gem_create_ioctl(struct drm_device *dev, void *data,
183 struct drm_file *filp)
185 struct radeon_device *rdev = dev->dev_private;
186 struct drm_radeon_gem_create *args = data;
187 struct drm_gem_object *gobj;
191 /* create a gem object to contain this object in */
192 args->size = roundup(args->size, PAGE_SIZE);
193 r = radeon_gem_object_create(rdev, args->size, args->alignment,
194 args->initial_domain, false,
199 r = drm_gem_handle_create(filp, gobj, &handle);
200 /* drop reference from allocate - handle holds it now */
201 drm_gem_object_unreference_unlocked(gobj);
205 args->handle = handle;
209 int radeon_gem_set_domain_ioctl(struct drm_device *dev, void *data,
210 struct drm_file *filp)
212 /* transition the BO to a domain -
213 * just validate the BO into a certain domain */
214 struct drm_radeon_gem_set_domain *args = data;
215 struct drm_gem_object *gobj;
216 struct radeon_bo *robj;
219 /* for now if someone requests domain CPU -
220 * just make sure the buffer is finished with */
222 /* just do a BO wait for now */
223 gobj = drm_gem_object_lookup(dev, filp, args->handle);
227 robj = gobj->driver_private;
229 r = radeon_gem_set_domain(gobj, args->read_domains, args->write_domain);
231 drm_gem_object_unreference_unlocked(gobj);
235 int radeon_mode_dumb_mmap(struct drm_file *filp,
236 struct drm_device *dev,
237 uint32_t handle, uint64_t *offset_p)
239 struct drm_gem_object *gobj;
240 struct radeon_bo *robj;
242 gobj = drm_gem_object_lookup(dev, filp, handle);
246 robj = gobj->driver_private;
247 *offset_p = radeon_bo_mmap_offset(robj);
248 drm_gem_object_unreference_unlocked(gobj);
252 int radeon_gem_mmap_ioctl(struct drm_device *dev, void *data,
253 struct drm_file *filp)
255 struct drm_radeon_gem_mmap *args = data;
257 return radeon_mode_dumb_mmap(filp, dev, args->handle, &args->addr_ptr);
260 int radeon_gem_busy_ioctl(struct drm_device *dev, void *data,
261 struct drm_file *filp)
263 struct drm_radeon_gem_busy *args = data;
264 struct drm_gem_object *gobj;
265 struct radeon_bo *robj;
267 uint32_t cur_placement = 0;
269 gobj = drm_gem_object_lookup(dev, filp, args->handle);
273 robj = gobj->driver_private;
274 r = radeon_bo_wait(robj, &cur_placement, true);
275 switch (cur_placement) {
277 args->domain = RADEON_GEM_DOMAIN_VRAM;
280 args->domain = RADEON_GEM_DOMAIN_GTT;
283 args->domain = RADEON_GEM_DOMAIN_CPU;
287 drm_gem_object_unreference_unlocked(gobj);
291 int radeon_gem_wait_idle_ioctl(struct drm_device *dev, void *data,
292 struct drm_file *filp)
294 struct drm_radeon_gem_wait_idle *args = data;
295 struct drm_gem_object *gobj;
296 struct radeon_bo *robj;
299 gobj = drm_gem_object_lookup(dev, filp, args->handle);
303 robj = gobj->driver_private;
304 r = radeon_bo_wait(robj, NULL, false);
305 /* callback hw specific functions if any */
306 if (robj->rdev->asic->ioctl_wait_idle)
307 robj->rdev->asic->ioctl_wait_idle(robj->rdev, robj);
308 drm_gem_object_unreference_unlocked(gobj);
312 int radeon_gem_set_tiling_ioctl(struct drm_device *dev, void *data,
313 struct drm_file *filp)
315 struct drm_radeon_gem_set_tiling *args = data;
316 struct drm_gem_object *gobj;
317 struct radeon_bo *robj;
320 DRM_DEBUG("%d \n", args->handle);
321 gobj = drm_gem_object_lookup(dev, filp, args->handle);
324 robj = gobj->driver_private;
325 r = radeon_bo_set_tiling_flags(robj, args->tiling_flags, args->pitch);
326 drm_gem_object_unreference_unlocked(gobj);
330 int radeon_gem_get_tiling_ioctl(struct drm_device *dev, void *data,
331 struct drm_file *filp)
333 struct drm_radeon_gem_get_tiling *args = data;
334 struct drm_gem_object *gobj;
335 struct radeon_bo *rbo;
339 gobj = drm_gem_object_lookup(dev, filp, args->handle);
342 rbo = gobj->driver_private;
343 r = radeon_bo_reserve(rbo, false);
344 if (unlikely(r != 0))
346 radeon_bo_get_tiling_flags(rbo, &args->tiling_flags, &args->pitch);
347 radeon_bo_unreserve(rbo);
349 drm_gem_object_unreference_unlocked(gobj);
353 int radeon_mode_dumb_create(struct drm_file *file_priv,
354 struct drm_device *dev,
355 struct drm_mode_create_dumb *args)
357 struct radeon_device *rdev = dev->dev_private;
358 struct drm_gem_object *gobj;
361 args->pitch = radeon_align_pitch(rdev, args->width, args->bpp, 0) * ((args->bpp + 1) / 8);
362 args->size = args->pitch * args->height;
363 args->size = ALIGN(args->size, PAGE_SIZE);
365 r = radeon_gem_object_create(rdev, args->size, 0,
366 RADEON_GEM_DOMAIN_VRAM,
367 false, ttm_bo_type_device,
372 r = drm_gem_handle_create(file_priv, gobj, &args->handle);
374 drm_gem_object_unreference_unlocked(gobj);
377 drm_gem_object_handle_unreference_unlocked(gobj);
381 int radeon_mode_dumb_destroy(struct drm_file *file_priv,
382 struct drm_device *dev,
385 return drm_gem_handle_delete(file_priv, handle);