2 * Copyright (c) 2007-2008 Tungsten Graphics, Inc., Cedar Park, TX., USA,
4 * Copyright (c) 2009 VMware, Inc., Palo Alto, CA., USA,
7 * Permission is hereby granted, free of charge, to any person obtaining a
8 * copy of this software and associated documentation files (the "Software"),
9 * to deal in the Software without restriction, including without limitation
10 * the rights to use, copy, modify, merge, publish, distribute, sub license,
11 * and/or sell copies of the Software, and to permit persons to whom the
12 * Software is furnished to do so, subject to the following conditions:
14 * The above copyright notice and this permission notice (including the
15 * next paragraph) shall be included in all copies or substantial portions
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.
27 #include "nouveau_drm.h"
28 #include "nouveau_ttm.h"
29 #include "nouveau_gem.h"
31 #include "drm_legacy.h"
33 nouveau_vram_manager_init(struct ttm_mem_type_manager *man, unsigned long psize)
35 struct nouveau_drm *drm = nouveau_bdev(man->bdev);
36 struct nouveau_fb *pfb = nvkm_fb(&drm->device);
42 nouveau_vram_manager_fini(struct ttm_mem_type_manager *man)
49 nouveau_mem_node_cleanup(struct nouveau_mem *node)
51 if (node->vma[0].node) {
52 nouveau_vm_unmap(&node->vma[0]);
53 nouveau_vm_put(&node->vma[0]);
56 if (node->vma[1].node) {
57 nouveau_vm_unmap(&node->vma[1]);
58 nouveau_vm_put(&node->vma[1]);
63 nouveau_vram_manager_del(struct ttm_mem_type_manager *man,
64 struct ttm_mem_reg *mem)
66 struct nouveau_drm *drm = nouveau_bdev(man->bdev);
67 struct nouveau_fb *pfb = nvkm_fb(&drm->device);
68 nouveau_mem_node_cleanup(mem->mm_node);
69 pfb->ram->put(pfb, (struct nouveau_mem **)&mem->mm_node);
73 nouveau_vram_manager_new(struct ttm_mem_type_manager *man,
74 struct ttm_buffer_object *bo,
75 const struct ttm_place *place,
76 struct ttm_mem_reg *mem)
78 struct nouveau_drm *drm = nouveau_bdev(man->bdev);
79 struct nouveau_fb *pfb = nvkm_fb(&drm->device);
80 struct nouveau_bo *nvbo = nouveau_bo(bo);
81 struct nouveau_mem *node;
85 if (nvbo->tile_flags & NOUVEAU_GEM_TILE_NONCONTIG)
86 size_nc = 1 << nvbo->page_shift;
88 ret = pfb->ram->get(pfb, mem->num_pages << PAGE_SHIFT,
89 mem->page_alignment << PAGE_SHIFT, size_nc,
90 (nvbo->tile_flags >> 8) & 0x3ff, &node);
93 return (ret == -ENOSPC) ? 0 : ret;
96 node->page_shift = nvbo->page_shift;
99 mem->start = node->offset >> PAGE_SHIFT;
104 nouveau_vram_manager_debug(struct ttm_mem_type_manager *man, const char *prefix)
106 struct nouveau_fb *pfb = man->priv;
107 struct nouveau_mm *mm = &pfb->vram;
108 struct nouveau_mm_node *r;
109 u32 total = 0, free = 0;
111 mutex_lock(&nv_subdev(pfb)->mutex);
112 list_for_each_entry(r, &mm->nodes, nl_entry) {
113 printk(KERN_DEBUG "%s %d: 0x%010llx 0x%010llx\n",
114 prefix, r->type, ((u64)r->offset << 12),
115 (((u64)r->offset + r->length) << 12));
121 mutex_unlock(&nv_subdev(pfb)->mutex);
123 printk(KERN_DEBUG "%s total: 0x%010llx free: 0x%010llx\n",
124 prefix, (u64)total << 12, (u64)free << 12);
125 printk(KERN_DEBUG "%s block: 0x%08x\n",
126 prefix, mm->block_size << 12);
129 const struct ttm_mem_type_manager_func nouveau_vram_manager = {
130 nouveau_vram_manager_init,
131 nouveau_vram_manager_fini,
132 nouveau_vram_manager_new,
133 nouveau_vram_manager_del,
134 nouveau_vram_manager_debug
138 nouveau_gart_manager_init(struct ttm_mem_type_manager *man, unsigned long psize)
144 nouveau_gart_manager_fini(struct ttm_mem_type_manager *man)
150 nouveau_gart_manager_del(struct ttm_mem_type_manager *man,
151 struct ttm_mem_reg *mem)
153 nouveau_mem_node_cleanup(mem->mm_node);
159 nouveau_gart_manager_new(struct ttm_mem_type_manager *man,
160 struct ttm_buffer_object *bo,
161 const struct ttm_place *place,
162 struct ttm_mem_reg *mem)
164 struct nouveau_drm *drm = nouveau_bdev(bo->bdev);
165 struct nouveau_bo *nvbo = nouveau_bo(bo);
166 struct nouveau_mem *node;
168 node = kzalloc(sizeof(*node), GFP_KERNEL);
172 node->page_shift = 12;
174 switch (drm->device.info.family) {
175 case NV_DEVICE_INFO_V0_TESLA:
176 if (drm->device.info.chipset != 0x50)
177 node->memtype = (nvbo->tile_flags & 0x7f00) >> 8;
179 case NV_DEVICE_INFO_V0_FERMI:
180 case NV_DEVICE_INFO_V0_KEPLER:
181 node->memtype = (nvbo->tile_flags & 0xff00) >> 8;
193 nouveau_gart_manager_debug(struct ttm_mem_type_manager *man, const char *prefix)
197 const struct ttm_mem_type_manager_func nouveau_gart_manager = {
198 nouveau_gart_manager_init,
199 nouveau_gart_manager_fini,
200 nouveau_gart_manager_new,
201 nouveau_gart_manager_del,
202 nouveau_gart_manager_debug
206 #include <core/subdev/vm/nv04.h>
208 nv04_gart_manager_init(struct ttm_mem_type_manager *man, unsigned long psize)
210 struct nouveau_drm *drm = nouveau_bdev(man->bdev);
211 struct nouveau_vmmgr *vmm = nvkm_vmmgr(&drm->device);
212 struct nv04_vmmgr_priv *priv = (void *)vmm;
213 struct nouveau_vm *vm = NULL;
214 nouveau_vm_ref(priv->vm, &vm, NULL);
220 nv04_gart_manager_fini(struct ttm_mem_type_manager *man)
222 struct nouveau_vm *vm = man->priv;
223 nouveau_vm_ref(NULL, &vm, NULL);
229 nv04_gart_manager_del(struct ttm_mem_type_manager *man, struct ttm_mem_reg *mem)
231 struct nouveau_mem *node = mem->mm_node;
232 if (node->vma[0].node)
233 nouveau_vm_put(&node->vma[0]);
239 nv04_gart_manager_new(struct ttm_mem_type_manager *man,
240 struct ttm_buffer_object *bo,
241 const struct ttm_place *place,
242 struct ttm_mem_reg *mem)
244 struct nouveau_mem *node;
247 node = kzalloc(sizeof(*node), GFP_KERNEL);
251 node->page_shift = 12;
253 ret = nouveau_vm_get(man->priv, mem->num_pages << 12, node->page_shift,
254 NV_MEM_ACCESS_RW, &node->vma[0]);
261 mem->start = node->vma[0].offset >> PAGE_SHIFT;
266 nv04_gart_manager_debug(struct ttm_mem_type_manager *man, const char *prefix)
270 const struct ttm_mem_type_manager_func nv04_gart_manager = {
271 nv04_gart_manager_init,
272 nv04_gart_manager_fini,
273 nv04_gart_manager_new,
274 nv04_gart_manager_del,
275 nv04_gart_manager_debug
279 nouveau_ttm_mmap(struct file *filp, struct vm_area_struct *vma)
281 struct drm_file *file_priv = filp->private_data;
282 struct nouveau_drm *drm = nouveau_drm(file_priv->minor->dev);
284 if (unlikely(vma->vm_pgoff < DRM_FILE_PAGE_OFFSET))
285 return drm_legacy_mmap(filp, vma);
287 return ttm_bo_mmap(filp, vma, &drm->ttm.bdev);
291 nouveau_ttm_mem_global_init(struct drm_global_reference *ref)
293 return ttm_mem_global_init(ref->object);
297 nouveau_ttm_mem_global_release(struct drm_global_reference *ref)
299 ttm_mem_global_release(ref->object);
303 nouveau_ttm_global_init(struct nouveau_drm *drm)
305 struct drm_global_reference *global_ref;
308 global_ref = &drm->ttm.mem_global_ref;
309 global_ref->global_type = DRM_GLOBAL_TTM_MEM;
310 global_ref->size = sizeof(struct ttm_mem_global);
311 global_ref->init = &nouveau_ttm_mem_global_init;
312 global_ref->release = &nouveau_ttm_mem_global_release;
314 ret = drm_global_item_ref(global_ref);
315 if (unlikely(ret != 0)) {
316 DRM_ERROR("Failed setting up TTM memory accounting\n");
317 drm->ttm.mem_global_ref.release = NULL;
321 drm->ttm.bo_global_ref.mem_glob = global_ref->object;
322 global_ref = &drm->ttm.bo_global_ref.ref;
323 global_ref->global_type = DRM_GLOBAL_TTM_BO;
324 global_ref->size = sizeof(struct ttm_bo_global);
325 global_ref->init = &ttm_bo_global_init;
326 global_ref->release = &ttm_bo_global_release;
328 ret = drm_global_item_ref(global_ref);
329 if (unlikely(ret != 0)) {
330 DRM_ERROR("Failed setting up TTM BO subsystem\n");
331 drm_global_item_unref(&drm->ttm.mem_global_ref);
332 drm->ttm.mem_global_ref.release = NULL;
340 nouveau_ttm_global_release(struct nouveau_drm *drm)
342 if (drm->ttm.mem_global_ref.release == NULL)
345 drm_global_item_unref(&drm->ttm.bo_global_ref.ref);
346 drm_global_item_unref(&drm->ttm.mem_global_ref);
347 drm->ttm.mem_global_ref.release = NULL;
351 nouveau_ttm_init(struct nouveau_drm *drm)
353 struct drm_device *dev = drm->dev;
357 bits = nvkm_vmmgr(&drm->device)->dma_bits;
358 if (nv_device_is_pci(nvkm_device(&drm->device))) {
359 if (drm->agp.stat == ENABLED ||
360 !pci_dma_supported(dev->pdev, DMA_BIT_MASK(bits)))
363 ret = pci_set_dma_mask(dev->pdev, DMA_BIT_MASK(bits));
367 ret = pci_set_consistent_dma_mask(dev->pdev,
370 pci_set_consistent_dma_mask(dev->pdev,
374 ret = nouveau_ttm_global_init(drm);
378 ret = ttm_bo_device_init(&drm->ttm.bdev,
379 drm->ttm.bo_global_ref.ref.object,
381 dev->anon_inode->i_mapping,
382 DRM_FILE_PAGE_OFFSET,
383 bits <= 32 ? true : false);
385 NV_ERROR(drm, "error initialising bo driver, %d\n", ret);
390 drm->gem.vram_available = drm->device.info.ram_user;
392 ret = ttm_bo_init_mm(&drm->ttm.bdev, TTM_PL_VRAM,
393 drm->gem.vram_available >> PAGE_SHIFT);
395 NV_ERROR(drm, "VRAM mm init failed, %d\n", ret);
399 drm->ttm.mtrr = arch_phys_wc_add(nv_device_resource_start(nvkm_device(&drm->device), 1),
400 nv_device_resource_len(nvkm_device(&drm->device), 1));
403 if (drm->agp.stat != ENABLED) {
404 drm->gem.gart_available = nvkm_vmmgr(&drm->device)->limit;
406 drm->gem.gart_available = drm->agp.size;
409 ret = ttm_bo_init_mm(&drm->ttm.bdev, TTM_PL_TT,
410 drm->gem.gart_available >> PAGE_SHIFT);
412 NV_ERROR(drm, "GART mm init failed, %d\n", ret);
416 NV_INFO(drm, "VRAM: %d MiB\n", (u32)(drm->gem.vram_available >> 20));
417 NV_INFO(drm, "GART: %d MiB\n", (u32)(drm->gem.gart_available >> 20));
422 nouveau_ttm_fini(struct nouveau_drm *drm)
424 mutex_lock(&drm->dev->struct_mutex);
425 ttm_bo_clean_mm(&drm->ttm.bdev, TTM_PL_VRAM);
426 ttm_bo_clean_mm(&drm->ttm.bdev, TTM_PL_TT);
427 mutex_unlock(&drm->dev->struct_mutex);
429 ttm_bo_device_release(&drm->ttm.bdev);
431 nouveau_ttm_global_release(drm);
433 arch_phys_wc_del(drm->ttm.mtrr);