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 <subdev/fb.h>
28 #include <subdev/vm.h>
29 #include <subdev/instmem.h>
31 #include "nouveau_drm.h"
32 #include "nouveau_ttm.h"
33 #include "nouveau_gem.h"
36 nouveau_vram_manager_init(struct ttm_mem_type_manager *man, unsigned long psize)
38 struct nouveau_drm *drm = nouveau_bdev(man->bdev);
39 struct nouveau_fb *pfb = nouveau_fb(drm->device);
45 nouveau_vram_manager_fini(struct ttm_mem_type_manager *man)
52 nouveau_mem_node_cleanup(struct nouveau_mem *node)
54 if (node->vma[0].node) {
55 nouveau_vm_unmap(&node->vma[0]);
56 nouveau_vm_put(&node->vma[0]);
59 if (node->vma[1].node) {
60 nouveau_vm_unmap(&node->vma[1]);
61 nouveau_vm_put(&node->vma[1]);
66 nouveau_vram_manager_del(struct ttm_mem_type_manager *man,
67 struct ttm_mem_reg *mem)
69 struct nouveau_drm *drm = nouveau_bdev(man->bdev);
70 struct nouveau_fb *pfb = nouveau_fb(drm->device);
71 nouveau_mem_node_cleanup(mem->mm_node);
72 pfb->ram.put(pfb, (struct nouveau_mem **)&mem->mm_node);
76 nouveau_vram_manager_new(struct ttm_mem_type_manager *man,
77 struct ttm_buffer_object *bo,
78 struct ttm_placement *placement,
79 struct ttm_mem_reg *mem)
81 struct nouveau_drm *drm = nouveau_bdev(man->bdev);
82 struct nouveau_fb *pfb = nouveau_fb(drm->device);
83 struct nouveau_bo *nvbo = nouveau_bo(bo);
84 struct nouveau_mem *node;
88 if (nvbo->tile_flags & NOUVEAU_GEM_TILE_NONCONTIG)
89 size_nc = 1 << nvbo->page_shift;
91 ret = pfb->ram.get(pfb, mem->num_pages << PAGE_SHIFT,
92 mem->page_alignment << PAGE_SHIFT, size_nc,
93 (nvbo->tile_flags >> 8) & 0x3ff, &node);
96 return (ret == -ENOSPC) ? 0 : ret;
99 node->page_shift = nvbo->page_shift;
102 mem->start = node->offset >> PAGE_SHIFT;
107 nouveau_vram_manager_debug(struct ttm_mem_type_manager *man, const char *prefix)
109 struct nouveau_fb *pfb = man->priv;
110 struct nouveau_mm *mm = &pfb->vram;
111 struct nouveau_mm_node *r;
112 u32 total = 0, free = 0;
114 mutex_lock(&mm->mutex);
115 list_for_each_entry(r, &mm->nodes, nl_entry) {
116 printk(KERN_DEBUG "%s %d: 0x%010llx 0x%010llx\n",
117 prefix, r->type, ((u64)r->offset << 12),
118 (((u64)r->offset + r->length) << 12));
124 mutex_unlock(&mm->mutex);
126 printk(KERN_DEBUG "%s total: 0x%010llx free: 0x%010llx\n",
127 prefix, (u64)total << 12, (u64)free << 12);
128 printk(KERN_DEBUG "%s block: 0x%08x\n",
129 prefix, mm->block_size << 12);
132 const struct ttm_mem_type_manager_func nouveau_vram_manager = {
133 nouveau_vram_manager_init,
134 nouveau_vram_manager_fini,
135 nouveau_vram_manager_new,
136 nouveau_vram_manager_del,
137 nouveau_vram_manager_debug
141 nouveau_gart_manager_init(struct ttm_mem_type_manager *man, unsigned long psize)
147 nouveau_gart_manager_fini(struct ttm_mem_type_manager *man)
153 nouveau_gart_manager_del(struct ttm_mem_type_manager *man,
154 struct ttm_mem_reg *mem)
156 nouveau_mem_node_cleanup(mem->mm_node);
162 nouveau_gart_manager_new(struct ttm_mem_type_manager *man,
163 struct ttm_buffer_object *bo,
164 struct ttm_placement *placement,
165 struct ttm_mem_reg *mem)
167 struct nouveau_drm *drm = nouveau_bdev(bo->bdev);
168 struct nouveau_bo *nvbo = nouveau_bo(bo);
169 struct nouveau_mem *node;
171 if (unlikely((mem->num_pages << PAGE_SHIFT) >= 512 * 1024 * 1024))
174 node = kzalloc(sizeof(*node), GFP_KERNEL);
177 node->page_shift = 12;
179 switch (nv_device(drm->device)->card_type) {
181 if (nv_device(drm->device)->chipset != 0x50)
182 node->memtype = (nvbo->tile_flags & 0x7f00) >> 8;
187 node->memtype = (nvbo->tile_flags & 0xff00) >> 8;
199 nouveau_gart_manager_debug(struct ttm_mem_type_manager *man, const char *prefix)
203 const struct ttm_mem_type_manager_func nouveau_gart_manager = {
204 nouveau_gart_manager_init,
205 nouveau_gart_manager_fini,
206 nouveau_gart_manager_new,
207 nouveau_gart_manager_del,
208 nouveau_gart_manager_debug
211 #include <core/subdev/vm/nv04.h>
213 nv04_gart_manager_init(struct ttm_mem_type_manager *man, unsigned long psize)
215 struct nouveau_drm *drm = nouveau_bdev(man->bdev);
216 struct nouveau_vmmgr *vmm = nouveau_vmmgr(drm->device);
217 struct nv04_vmmgr_priv *priv = (void *)vmm;
218 struct nouveau_vm *vm = NULL;
219 nouveau_vm_ref(priv->vm, &vm, NULL);
225 nv04_gart_manager_fini(struct ttm_mem_type_manager *man)
227 struct nouveau_vm *vm = man->priv;
228 nouveau_vm_ref(NULL, &vm, NULL);
234 nv04_gart_manager_del(struct ttm_mem_type_manager *man, struct ttm_mem_reg *mem)
236 struct nouveau_mem *node = mem->mm_node;
237 if (node->vma[0].node)
238 nouveau_vm_put(&node->vma[0]);
244 nv04_gart_manager_new(struct ttm_mem_type_manager *man,
245 struct ttm_buffer_object *bo,
246 struct ttm_placement *placement,
247 struct ttm_mem_reg *mem)
249 struct nouveau_mem *node;
252 node = kzalloc(sizeof(*node), GFP_KERNEL);
256 node->page_shift = 12;
258 ret = nouveau_vm_get(man->priv, mem->num_pages << 12, node->page_shift,
259 NV_MEM_ACCESS_RW, &node->vma[0]);
266 mem->start = node->vma[0].offset >> PAGE_SHIFT;
271 nv04_gart_manager_debug(struct ttm_mem_type_manager *man, const char *prefix)
275 const struct ttm_mem_type_manager_func nv04_gart_manager = {
276 nv04_gart_manager_init,
277 nv04_gart_manager_fini,
278 nv04_gart_manager_new,
279 nv04_gart_manager_del,
280 nv04_gart_manager_debug
284 nouveau_ttm_mmap(struct file *filp, struct vm_area_struct *vma)
286 struct drm_file *file_priv = filp->private_data;
287 struct nouveau_drm *drm = nouveau_drm(file_priv->minor->dev);
289 if (unlikely(vma->vm_pgoff < DRM_FILE_PAGE_OFFSET))
290 return drm_mmap(filp, vma);
292 return ttm_bo_mmap(filp, vma, &drm->ttm.bdev);
296 nouveau_ttm_mem_global_init(struct drm_global_reference *ref)
298 return ttm_mem_global_init(ref->object);
302 nouveau_ttm_mem_global_release(struct drm_global_reference *ref)
304 ttm_mem_global_release(ref->object);
308 nouveau_ttm_global_init(struct nouveau_drm *drm)
310 struct drm_global_reference *global_ref;
313 global_ref = &drm->ttm.mem_global_ref;
314 global_ref->global_type = DRM_GLOBAL_TTM_MEM;
315 global_ref->size = sizeof(struct ttm_mem_global);
316 global_ref->init = &nouveau_ttm_mem_global_init;
317 global_ref->release = &nouveau_ttm_mem_global_release;
319 ret = drm_global_item_ref(global_ref);
320 if (unlikely(ret != 0)) {
321 DRM_ERROR("Failed setting up TTM memory accounting\n");
322 drm->ttm.mem_global_ref.release = NULL;
326 drm->ttm.bo_global_ref.mem_glob = global_ref->object;
327 global_ref = &drm->ttm.bo_global_ref.ref;
328 global_ref->global_type = DRM_GLOBAL_TTM_BO;
329 global_ref->size = sizeof(struct ttm_bo_global);
330 global_ref->init = &ttm_bo_global_init;
331 global_ref->release = &ttm_bo_global_release;
333 ret = drm_global_item_ref(global_ref);
334 if (unlikely(ret != 0)) {
335 DRM_ERROR("Failed setting up TTM BO subsystem\n");
336 drm_global_item_unref(&drm->ttm.mem_global_ref);
337 drm->ttm.mem_global_ref.release = NULL;
345 nouveau_ttm_global_release(struct nouveau_drm *drm)
347 if (drm->ttm.mem_global_ref.release == NULL)
350 drm_global_item_unref(&drm->ttm.bo_global_ref.ref);
351 drm_global_item_unref(&drm->ttm.mem_global_ref);
352 drm->ttm.mem_global_ref.release = NULL;
356 nouveau_ttm_init(struct nouveau_drm *drm)
358 struct drm_device *dev = drm->dev;
362 bits = nouveau_vmmgr(drm->device)->dma_bits;
363 if ( drm->agp.stat == ENABLED ||
364 !pci_dma_supported(dev->pdev, DMA_BIT_MASK(bits)))
367 ret = pci_set_dma_mask(dev->pdev, DMA_BIT_MASK(bits));
371 ret = pci_set_consistent_dma_mask(dev->pdev, DMA_BIT_MASK(bits));
373 pci_set_consistent_dma_mask(dev->pdev, DMA_BIT_MASK(32));
375 ret = nouveau_ttm_global_init(drm);
379 ret = ttm_bo_device_init(&drm->ttm.bdev,
380 drm->ttm.bo_global_ref.ref.object,
381 &nouveau_bo_driver, DRM_FILE_PAGE_OFFSET,
382 bits <= 32 ? true : false);
384 NV_ERROR(drm, "error initialising bo driver, %d\n", ret);
389 drm->gem.vram_available = nouveau_fb(drm->device)->ram.size;
390 drm->gem.vram_available -= nouveau_instmem(drm->device)->reserved;
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 = drm_mtrr_add(pci_resource_start(dev->pdev, 1),
400 pci_resource_len(dev->pdev, 1),
404 if (drm->agp.stat != ENABLED) {
405 drm->gem.gart_available = nouveau_vmmgr(drm->device)->limit;
406 if (drm->gem.gart_available > 512 * 1024 * 1024)
407 drm->gem.gart_available = 512 * 1024 * 1024;
409 drm->gem.gart_available = drm->agp.size;
412 ret = ttm_bo_init_mm(&drm->ttm.bdev, TTM_PL_TT,
413 drm->gem.gart_available >> PAGE_SHIFT);
415 NV_ERROR(drm, "GART mm init failed, %d\n", ret);
419 NV_INFO(drm, "VRAM: %d MiB\n", (u32)(drm->gem.vram_available >> 20));
420 NV_INFO(drm, "GART: %d MiB\n", (u32)(drm->gem.gart_available >> 20));
425 nouveau_ttm_fini(struct nouveau_drm *drm)
427 mutex_lock(&drm->dev->struct_mutex);
428 ttm_bo_clean_mm(&drm->ttm.bdev, TTM_PL_VRAM);
429 ttm_bo_clean_mm(&drm->ttm.bdev, TTM_PL_TT);
430 mutex_unlock(&drm->dev->struct_mutex);
432 ttm_bo_device_release(&drm->ttm.bdev);
434 nouveau_ttm_global_release(drm);
436 if (drm->ttm.mtrr >= 0) {
437 drm_mtrr_del(drm->ttm.mtrr,
438 pci_resource_start(drm->dev->pdev, 1),
439 pci_resource_len(drm->dev->pdev, 1), DRM_MTRR_WC);